Stockholders' Equity (Details Narrative) - USD ($) |
1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 04, 2018 |
Mar. 15, 2018 |
Jul. 12, 2017 |
Feb. 06, 2017 |
Aug. 02, 2016 |
Aug. 31, 2018 |
Apr. 30, 2018 |
Mar. 30, 2018 |
Jan. 30, 2018 |
Oct. 26, 2017 |
Aug. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Dec. 31, 2017 |
Oct. 01, 2018 |
Jul. 30, 2018 |
Mar. 02, 2018 |
Feb. 07, 2018 |
Jan. 26, 2018 |
Jan. 24, 2018 |
May 31, 2017 |
Mar. 25, 2015 |
|
| Exercise price | $ 0.25 | ||||||||||||||||||||||
| Common stock, shares authorized | 100,000,000 | 100,000,000 | 100,000,000 | ||||||||||||||||||||
| Common stock, shares, outstanding | 30,500,935 | 30,500,935 | 12,737,703 | ||||||||||||||||||||
| Class of Warrant or Right, Outstanding | 844,337 | 844,337 | 1,210,905 | ||||||||||||||||||||
| Stock options outstanding | 5,752,494 | 5,752,494 | 3,976,884 | ||||||||||||||||||||
| Additional common shares | 100,753 | ||||||||||||||||||||||
| Total stock and stock equivalents outstanding | 40,834,360 | 40,834,360 | 19,046,245 | ||||||||||||||||||||
| Accumulated dividend | $ 400,000 | $ 400,000 | $ 300,000 | ||||||||||||||||||||
| Proceeds from the issuance of the warrants and common shares | $ 4,000,000 | ||||||||||||||||||||||
| Price per share | $ 2.34 | $ 2.34 | |||||||||||||||||||||
| Common stock, conversion basis | The Series B Preferred Stock was initially convertible into 2,666,667 shares of common stock. | ||||||||||||||||||||||
| Preferred stock par value | $ 0.001 | $ 0.001 | $ 0.001 | ||||||||||||||||||||
| Common Stock, Shares Issued | 30,500,935 | 30,500,935 | 12,737,703 | ||||||||||||||||||||
| Proceeds from Issuance of Common Stock | $ 27,600,675 | $ 4,376,455 | |||||||||||||||||||||
| Number of options vested and expected to vest outstanding | 3,598,133 | 3,598,133 | 2,434,148 | ||||||||||||||||||||
| Unrecognized compensation costs | $ 1,100,000 | $ 1,100,000 | |||||||||||||||||||||
| Weighted average recognition period | 6 months | ||||||||||||||||||||||
| Aggregate intrinsic value | 35,000 | $ 35,000 | $ 300,000 | ||||||||||||||||||||
| Proceeds from issuance of preferred stock | $ 3,900,001 | ||||||||||||||||||||||
| Description of Long-Term Non-Qualified Option Grants | In accordance with ASC 718, the market-based and performance-based long-term non-qualified option grants awards issued in 2017 were assigned a fair value of $0.80 per option share (total value of $0.9 million) on the date of grant using a Monte Carlo simulation. The following assumptions were used in the Monte-Carlo simulation model: | ||||||||||||||||||||||
| Sales during the period | $ 27,600,000 | ||||||||||||||||||||||
| Common stock value | $ 30,501 | $ 30,501 | $ 12,738 | ||||||||||||||||||||
| Common stock exercise price | |||||||||||||||||||||||
| Series B Preferred Stock conversion description | <p style="margin: 0; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">The Company has the option of forcing the conversion of all or part of the Series B Preferred Stock if at any time the average closing price of the Companys common stock for a thirty-trading day period is greater than $5.4902 prior to August 2, 2019 or greater than $8.2353 at any time. The Company can only exercise this option if it also requires the conversion of the Series A Preferred Stock in the same proportion as it is requiring of the Series B Preferred Stock.</font></p> | ||||||||||||||||||||||
| Preferred stock convertible amount | $ 6,200,000 | ||||||||||||||||||||||
| 2006 Stock Plan and 2015 Equity Incentive Plan [Member] | |||||||||||||||||||||||
| Stock options outstanding | 5,752,494 | 5,752,494 | 3,976,884 | ||||||||||||||||||||
| Options vested | 3,598,133 | 2,434,148 | |||||||||||||||||||||
| PIK dividend [Member] | |||||||||||||||||||||||
| Conversion price | $ 2.7451 | $ 1.50 | $ 1.50 | ||||||||||||||||||||
| Fair value per share | $ 3.315 | $ 2.34 | $ 2.34 | ||||||||||||||||||||
| Total cumulative deemed dividend | $ 105,000 | $ 105,000 | |||||||||||||||||||||
| Total deemed dividends value | 39,000 | ||||||||||||||||||||||
| Deferred financing costs | 1,000,000 | 1,000,000 | |||||||||||||||||||||
| PIK dividend one [Member] | |||||||||||||||||||||||
| Total deemed dividends value | 10,000 | 30,000 | |||||||||||||||||||||
| ATM Agreement [Member] | |||||||||||||||||||||||
| Aggregate registration amount | $ 1,100,000 | ||||||||||||||||||||||
| 2015 Equity Incentive Plan [Member] | |||||||||||||||||||||||
| Expected term | 5 years | 3 years | |||||||||||||||||||||
| Non-qualified stock options granted | 523,319 | 31,425 | |||||||||||||||||||||
| Contractual lives | 10 years | 10 years | |||||||||||||||||||||
| Strike price | $ 1.05 | $ 1.08 | |||||||||||||||||||||
| Fair market value of per option | $ 0.73 | $ 0.80 | |||||||||||||||||||||
| Warrants [Member] | |||||||||||||||||||||||
| Proceeds from the issuance of the warrants and common shares | 300,000 | ||||||||||||||||||||||
| Series B Preferred Stock | |||||||||||||||||||||||
| Accumulated dividend | $ 187,000 | $ 187,000 | |||||||||||||||||||||
| Series A Convertible Preferred Stock [Member] | |||||||||||||||||||||||
| Additional common shares | 131,858 | 131,858 | 100,753 | ||||||||||||||||||||
| Accrued dividend | $ 361,962 | $ 361,962 | $ 276,578 | ||||||||||||||||||||
| Convertible Series A Preferred Shares | |||||||||||||||||||||||
| Convertible preferred stock, shares converted | 111,260 | ||||||||||||||||||||||
| Common stock, shares issued, conversion of preferred stock | 124,882 | ||||||||||||||||||||||
| Preferred Stock, Shares Outstanding | 813,624 | 813,624 | 1,020,000 | ||||||||||||||||||||
| Conversion price | $ 2.75 | $ 2.75 | |||||||||||||||||||||
| Preferred stock, shares issued | 813,624 | 813,624 | 1,020,000 | ||||||||||||||||||||
| Preferred stock, liquidation preference | $ 2,595,441 | $ 2,595,441 | $ 3,088,764 | ||||||||||||||||||||
| Series B Convertible Preferred Stock [Member] | |||||||||||||||||||||||
| Additional common shares | 124,445 | 124,445 | |||||||||||||||||||||
| Accrued dividend | $ 186,667 | $ 186,667 | |||||||||||||||||||||
| Series B Preferred Stock | |||||||||||||||||||||||
| Class of Warrant or Right, Outstanding | 666,664 | ||||||||||||||||||||||
| Rate of dividend payable in kind | 7.00% | ||||||||||||||||||||||
| Proceeds from the issuance of the warrants and common shares | $ 3,700,000 | ||||||||||||||||||||||
| Price per share | $ 1.50 | $ 2.34 | $ 2.34 | ||||||||||||||||||||
| Conversion price | $ 1.50 | ||||||||||||||||||||||
| Preferred stock, shares issued | 2,666,667 | 2,666,667 | 2,666,667 | ||||||||||||||||||||
| Preferred stock, liquidation preference | $ 4,200,000 | $ 4,200,000 | |||||||||||||||||||||
| Common stock value | $ 4,000,000 | ||||||||||||||||||||||
| Liquidation preference per share | $ 1.50 | ||||||||||||||||||||||
| Common stock exercise price | 1.875 | ||||||||||||||||||||||
| Preferred stock convertible amount | 3,600,000 | ||||||||||||||||||||||
| Series B Preferred Stock | Warrants [Member] | |||||||||||||||||||||||
| Exercise price | $ 1.50 | ||||||||||||||||||||||
| Number of shares reserved for future issuance | 133,432 | ||||||||||||||||||||||
| Maturity date | Jan. 30, 2021 | ||||||||||||||||||||||
| Series A Preferred Stock | |||||||||||||||||||||||
| Preferred stock convertible amount | $ 600,000 | ||||||||||||||||||||||
| New ATM agreement [Member] | |||||||||||||||||||||||
| Proceeds from issuance of shares | $ 7,200,000 | ||||||||||||||||||||||
| Sale of stock, number of shares | 6,400,000 | ||||||||||||||||||||||
| Remaining balance of sale of shares | $ 42,800,000 | $ 42,800,000 | |||||||||||||||||||||
| Common stock authorized to be issued under prospectus supplement, value | $ 75,000,000 | $ 50,000,000 | |||||||||||||||||||||
| 2015 Equity Incentive Plan [Member] | |||||||||||||||||||||||
| Common shares issued under incentive plan | 6,300,000 | ||||||||||||||||||||||
| Plan [Member] | Stock Options and Restricted Stock [Member] | |||||||||||||||||||||||
| Common stock, shares authorized | 600,000 | ||||||||||||||||||||||
| Common stock, shares authorized increased | 3,400,000 | 2,900,000 | 1,400,000 | ||||||||||||||||||||
| Investment Bank [Member] | |||||||||||||||||||||||
| Monthly payments | $ 15,000 | ||||||||||||||||||||||
| Introductory fee in percentage | 7.00% | ||||||||||||||||||||||
| Warrants fees in percentage | 5.00% | ||||||||||||||||||||||
| Offering price term | P3Y | ||||||||||||||||||||||
| B. Riley FBR, Inc. [Member] | ATM Agreement [Member] | |||||||||||||||||||||||
| Aggregate registration amount | $ 22,600,000 | $ 22,600,000 | $ 22,600,000 | $ 22,600,000 | |||||||||||||||||||
| Consultants [Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 688,173 | ||||||||||||||||||||||
| Lower Limit, exercise price | $ 1.05 | ||||||||||||||||||||||
| Upper Limit, exercise price | $ 43.25 | ||||||||||||||||||||||
| Consultants [Member] | Minimum [Member] | |||||||||||||||||||||||
| Contractual lives | 3 years | ||||||||||||||||||||||
| Consultants [Member] | Maximum [Member] | |||||||||||||||||||||||
| Contractual lives | 10 years | ||||||||||||||||||||||
| Holders of Series A Preferred Shares [Member] | |||||||||||||||||||||||
| Convertible preferred stock, shares converted | 95,116 | 95,116 | |||||||||||||||||||||
| Common stock, shares issued, conversion of preferred stock | 110,530 | ||||||||||||||||||||||
| Shares issued against dividend | 729 | ||||||||||||||||||||||
| BCF [Member] | |||||||||||||||||||||||
| Accrete dividend | $ 2.7451 | $ 0.84 | $ 0.84 | ||||||||||||||||||||
| Additional deemed dividend | $ 0.5699 | ||||||||||||||||||||||
| Preferred stock convertible amount | $ 2,800,000 | $ 2,600,000 | |||||||||||||||||||||
| General International Holdings, Inc [Member] | Series A Preferred Stock | |||||||||||||||||||||||
| Common stock, shares, outstanding | 255,000 | ||||||||||||||||||||||
| Rate of dividend payable in kind | 7.00% | ||||||||||||||||||||||
| Number of shares reserved for future issuance | 1,020,000 | ||||||||||||||||||||||
| Common stock shares reserved for future issuance, Value | $ 2,800,000 | ||||||||||||||||||||||
| Price per share | $ 2.75 | ||||||||||||||||||||||
| Conversion price | 2.7451 | ||||||||||||||||||||||
| Fair value per share | 3.315 | ||||||||||||||||||||||
| Average market price of common stock | $ 3.315 | ||||||||||||||||||||||
| Aggregate intrinsic value | $ 2,800,000 | ||||||||||||||||||||||
| Preferred stock, shares issued | 1,020,000 | ||||||||||||||||||||||
| Preferred stock, liquidation preference per share | $ 2.7451 | ||||||||||||||||||||||
| Preferred stock convertible amount | $ 3,400,000 | ||||||||||||||||||||||
| FBR Capital Markets & Co. and MLV & Co. LLC [Member] | ATM Offering - 2017 [Member] | |||||||||||||||||||||||
| Sales during the period | $ 1,600,000 | ||||||||||||||||||||||
| Issuance of shares | 1,400,000 | ||||||||||||||||||||||
| Director [Member] | |||||||||||||||||||||||
| Stock options granted | 1,070,659 | ||||||||||||||||||||||
| Non-qualified stock options granted | 3,212,879 | ||||||||||||||||||||||
| Lower Limit, exercise price | $ 1.05 | ||||||||||||||||||||||
| Upper Limit, exercise price | $ 43.25 | ||||||||||||||||||||||
| Director [Member] | 2015 Equity Incentive Plan [Member] | |||||||||||||||||||||||
| Stock options outstanding | 1,120,322 | ||||||||||||||||||||||
| Non-qualified stock options granted | 1,299,533 | ||||||||||||||||||||||
| Description of option vesting | Accelerated 100% vesting | ||||||||||||||||||||||
| Director [Member] | Minimum [Member] | |||||||||||||||||||||||
| Expected term | 5 years | ||||||||||||||||||||||
| Contractual lives | 9 months 18 days | ||||||||||||||||||||||
| Remaining contractual life | 9 months 18 days | ||||||||||||||||||||||
| Director [Member] | Maximum [Member] | |||||||||||||||||||||||
| Expected term | 10 years | ||||||||||||||||||||||
| Contractual lives | 9 years 3 months 19 days | ||||||||||||||||||||||
| Remaining contractual life | 9 years 3 months 19 days | ||||||||||||||||||||||
| Advisory Board Members [Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 69,687 | ||||||||||||||||||||||
| Contractual lives | 10 years | ||||||||||||||||||||||
| Lower Limit, exercise price | $ 1.08 | ||||||||||||||||||||||
| Upper Limit, exercise price | $ 28.05 | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Linda Zwobota, prior CFO [Member] | |||||||||||||||||||||||
| Stock based compensation | $ 200,732 | ||||||||||||||||||||||
| Description for modification of option grants | The Company approved the modification of the terms of options held by Linda Zwobota, our prior CFO, by extending the exercise period of vested options from 90 days to 5 years after her retirement on August 31, 2018. Furthermore, for any options not vested at August 31, 2018, the vesting period was changed so that they would continue to vest during a consulting period ending on December 31, 2018 | ||||||||||||||||||||||
| Value of stock options granted | $ 216,860 | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Linda Zwobota, prior CFO [Member] | 90 days vesting term [Member] | |||||||||||||||||||||||
| Value of stock options granted | $ 16,128 | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Employees and Consultants [Member] | 2015 Equity Incentive Plan [Member] | |||||||||||||||||||||||
| Stock options granted | 179,211 | ||||||||||||||||||||||
| Contractual lives | 10 years | ||||||||||||||||||||||
| Strike price | $ 1.05 | ||||||||||||||||||||||
| Description of option vesting | <table cellspacing="0" cellpadding="0" style="width: 100%"> <tr style="vertical-align: top"> <td style="width: 4%; font: 12pt Times New Roman, Times, Serif; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif"> </font></td> <td style="width: 4%; font: 12pt Times New Roman, Times, Serif; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">1.</font></td> <td style="width: 92%; font: 12pt Times New Roman, Times, Serif; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">The Companys closing stock price is above $3 per share by December 31, 2018 </font></td></tr> <tr> <td><font style="font: 10pt Times New Roman, Times, Serif"> </font></td> <td><font style="font: 10pt Times New Roman, Times, Serif"> </font></td> <td><font style="font: 10pt Times New Roman, Times, Serif"> </font></td></tr> <tr style="vertical-align: top"> <td style="font: 12pt Times New Roman, Times, Serif; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif"> </font></td> <td style="font: 12pt Times New Roman, Times, Serif; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">2.</font></td> <td style="font: 12pt Times New Roman, Times, Serif; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">The Company secures at least a $2 million investment from a commercial nuclear industry entity other than Framatome by December 31, 2019</font></td></tr> </table> | ||||||||||||||||||||||
| Description of Long-Term Non-Qualified Option Grants | Approximately 0.7 million of such long-term non-qualified stock options were issued under the 2015 Equity Stock Plan. | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Advisory board members[Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 101,351 | ||||||||||||||||||||||
| Term of options | 10 years | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Advisory board members[Member] | Minimum [Member] | |||||||||||||||||||||||
| Exercise price | $ 1.05 | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Advisory board members[Member] | Maximum [Member] | |||||||||||||||||||||||
| Exercise price | $ 28.05 | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Advisory board members[Member] | Consultants [Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 490,317 | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Advisory board members[Member] | Consultants [Member] | Minimum [Member] | |||||||||||||||||||||||
| Exercise price | $ 0.09 | ||||||||||||||||||||||
| Term of options | 3 years | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Advisory board members[Member] | Consultants [Member] | Maximum [Member] | |||||||||||||||||||||||
| Exercise price | $ 43.25 | ||||||||||||||||||||||
| Term of options | 10 years | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Chief Executive Officer [Member] | Advisory board members[Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 1,409,248 | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Chief Executive Officer [Member] | Minimum [Member] | Advisory board members[Member] | |||||||||||||||||||||||
| Contractual lives | 7 months 6 days | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Chief Executive Officer [Member] | Maximum [Member] | Advisory board members[Member] | |||||||||||||||||||||||
| Contractual lives | 9 years 10 months 24 days | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Directors, Officers and Employees [Member] | Advisory board members[Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 5,160,826 | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Directors, Officers and Employees [Member] | Minimum [Member] | Advisory board members[Member] | |||||||||||||||||||||||
| Exercise price | $ 0.09 | ||||||||||||||||||||||
| Contractual lives | 6 months | ||||||||||||||||||||||
| Term of options | 5 years | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Directors, Officers and Employees [Member] | Maximum [Member] | Advisory board members[Member] | |||||||||||||||||||||||
| Exercise price | $ 43.25 | ||||||||||||||||||||||
| Contractual lives | 9 years 10 months 24 days | ||||||||||||||||||||||
| Term of options | 10 years | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Director [Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 212,528 | ||||||||||||||||||||||
| Description of option vesting | The remaining approximately 212,528 stock options were service based options issued to the directors of the Company that vest over a one-year period on the anniversary date of the grant. All options granted have a 10-year contractual term | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Employees and Consultants [Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 1,540,263 | ||||||||||||||||||||||
| Description of option vesting | The service condition vests one-third annually over a 3-year period with accelerated vesting of these options occurring upon applicable performance or market conditions being satisfied by certain milestone dates | ||||||||||||||||||||||
| Long-Term Non-Qualified Options [Member] | Employees, Consultants and Directors [Member] | |||||||||||||||||||||||
| Non-qualified stock options granted | 1,752,791 | ||||||||||||||||||||||
| Strike price | $ 0.90 | ||||||||||||||||||||||
| Description of option vesting | The service condition vests one-third annually over a 3-year period with accelerated vesting of these options occurring upon applicable performance or market conditions being satisfied by certain milestone dates | ||||||||||||||||||||||
| Description of Long-Term Non-Qualified Option Grants | In accordance with ASC 718, awards with service, market and performance conditions for the employees and consultants were assigned a fair value of $0.69 per share and the awards with service conditions for the directors of the Company were assigned a fair value of $0.70 per share (total value of $1.2 million). The value was determined using a Monte Carlo simulation Model | ||||||||||||||||||||||
| Description for accelerated vesting of options | <p style="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif"> </font></p> <table cellspacing="0" cellpadding="0" style="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"> <tr style="vertical-align: top"> <td style="width: 4%; text-align: justify"></td> <td style="width: 4%; text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">1.</font></td> <td style="text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">The Company’s closing stock price is above $3 per share for 10 consecutive trading days by December 31, 2019.</font></td></tr> <tr> <td style="text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif"> </font></td> <td style="text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif"> </font></td> <td style="text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif"> </font></td></tr> <tr style="vertical-align: top"> <td style="text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif"> </font></td> <td style="text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">2.</font></td> <td style="text-align: justify"><font style="font: 10pt Times New Roman, Times, Serif">The Company secures at least $5 million of funding from the Department of Energy by June 30, 2019.</font></td></tr> </table> | ||||||||||||||||||||||
| Description for exercise of options | The weighted average years remaining of expected life was itself calculated based on a Monte Carlo simulation under which it was assumed that the options would be exercised, if vested, when the stock reached a price of $4.50, otherwise they would be exercised at expiration, if in the money | ||||||||||||||||||||||