Lightbridge Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity and StockBased Compensation (Details Narrative)

Stockholders Equity and StockBased Compensation (Details Narrative) - USD ($)				1 Months Ended			3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 08, 2021	Mar. 09, 2020	Aug. 02, 2016	Aug. 31, 2021	Oct. 21, 2019	Jan. 30, 2018	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Jun. 30, 2021	Jun. 28, 2021	Mar. 25, 2021	Oct. 28, 2020
Accumulated dividend (unpaid)							$ 50,000	$ 46,000	$ 147,000	$ 137,000
Conversion of Stock, Shares Converted into common stock	1,846			2,382							6,327
Increased in common stock shares authorized													13,500,000
Increased in number of shares issued													650,000
Convertible restricted stock							235,850		235,850		243,800
Common stock, shares, outstanding							7,208,739		7,208,739		6,567,110
Aggregate intrinsic value							$ 88,000		$ 88,000		$ 33,000
Total of common stock, outstanding shares									8,425,060
Additional common shares							0	0	0	0	49,862
Rate of dividend payable in kind			7.00%
Common stock, conversion basis									The Series B Preferred Shares outstanding as of September 30, 2021 and December 31, 2020 was 2,666,667 shares with an aggregate liquidation preference of approximately $5.2 million and $4.9 million, including the accumulated dividends at September 30, 2021 and December 31, 2020, respectively.
Class of Warrant or Right, Outstanding							45,577		45,577		70,361
Preferred stock, conversion description									the Company’s common stock for a thirty-trading day period is greater than $65.88 prior to August 2, 2019 or greater than $98.82 at any time
Stock options outstanding							568,995		568,995		515,847
Weighted-average period									1 year 8 months 26 days
Preferred stock convertible amount									$ 39,885	$ 38,071
Issuance of stock option									0
Common stock, shares issued							7,208,739		7,208,739		6,567,110
Common stock, shares authorized							13,500,000		13,500,000		13,500,000
Fair value per share							$ 12.59		$ 12.59		$ 14.51	$ 12.66
Restricted Stock Units (RSUs) [Member]
Fair value per share							$ 2.69		$ 2.69		$ 2.69
Net unrecognized compensation cost							$ 439,000		$ 439,000
Compensation expected to be expensed							$ 212,000		212,000
Available-for-sale Securities [Member]
Agreement to sale of company's securities														$ 75,000,000
Aggregate offering price									$ 9,000,000
Directors, Officers and Employees [Member] \| Short-Term Non-Qualified Options [Member] \| Advisory board members[Member]
Contractual lives									10 years
Minimum [Member]
Price per shares							$ 2.08		$ 2.08
Exercise price							3.82		$ 3.82
Contractual lives									3 years 6 months
Term of options									1 year
Maximum [Member]
Price per shares							2.80		$ 2.80
Exercise price							75.60		$ 75.60
Contractual lives									8 years 2 months 12 days
Term of options									10 years
Maximum [Member] \| Employees, Consultants and Directors [Member] \| Short-Term Non-Qualified Options [Member]
Exercise price							75.60		$ 75.60
Contractual lives									9 years 10 months 24 days
Maximum [Member] \| Directors, Officers and Employees [Member] \| Short-Term Non-Qualified Options [Member] \| Advisory board members[Member]
Term of options									10 years
Consultants [Member]
Issuance of stock option									58,164
Exercise price							3.82		$ 3.82
Total fair value of stock options									$ 150,000
Common stock shares issued									7,382
Exercise price lower range limit									$ 2.08
Exercise price upper range limit									$ 4.75
Non-qualified stock options granted									206,087
Consultants [Member] \| Maximum [Member] \| Short-Term Non-Qualified Options [Member] \| Advisory board members[Member]
Exercise price						$ 1.50	75.60		$ 75.60
Maturity date						January 30, 2021
Chief Executie Officer [Member] \| Minimum [Member] \| Short-Term Non-Qualified Options [Member] \| Advisory board members[Member]
Exercise price							$ 3.82		$ 3.82
Contractual lives									3 years 6 months
Chief Executive Officer [Member] \| Maximum [Member] \| Short-Term Non-Qualified Options [Member] \| Advisory board members[Member]
Contractual lives									9 years 10 months 24 days
Non-qualified stock options granted									362,908
Non-qualified stock options outstanding									127,299
Four Director [Member]
RSUs granted															21,200
Vested Stock Options [Member]
Aggregate intrinsic value							$ 88,000		$ 88,000		$ 33,000
Omnibus Incentive Plan [Member]
Exercise price															$ 2.69
RSUs granted, value															$ 656,000
RSUs granted															243,800
Weighted average recognition period									2 years 25 days
Non-vested stock options [Member]
Aggregate intrinsic value							88,000		$ 88,000		$ 33,000
Net unrecognized compensation cost							$ 48,000		$ 48,000
New Atm Agreement [Member]
Increase in number of shares							600,000	600,000	600,000.0	1,100,000
Proceeds from issuance of shares							$ 3,400,000.0	$ 2,500,000	$ 3,400,000	$ 5,100,000
2020 Equity Incentive Plan [Member]
Common stock, shares issued													350,000
Common stock, shares authorized		350,000											8,333,333
Increase in number of shares		650,000
Convertible Series B Preferred Stock [Member]
Conversion of Stock, Shares Converted into common stock					222,222				222,222		222,222
Rate of dividend payable in kind						7.00%
Preferred stock convertible amount			$ 600,000						$ 6,200,000.0
Price per shares						$ 1.50					$ 28.08
Preferred Stock, Shares Outstanding							2,666,667		2,666,667		2,666,667
Aggregate liquidation preference									$ 2,600,000.0
Allocated amount									$ 3,700,000
Preferred stock, shares issued						2,666,667	2,666,667		2,666,667		2,666,667
Common stock equivalents shares											7,748,505
Additional common shares							64,398		64,398		20,980
Accrued dividend											$ 897,518
Series A Preferred Stock [Member]
Preferred stock, shares issued							663,767		663,767
Additional common shares							23,965		23,965		20,980
Accrete dividend			$ 2.7451
Additional deemed dividend			$ 0.5699
Common stock shares reserved for future issuance, Value							55,314		55,314		58,323
Convertible preferred stock, shares converted											699,878
Accrued dividend											$ 691,120
Series A Preferred Stock [Member] \| Securities Purchase Agreement [Member]
Conversion of Stock, Shares Converted into common stock	16,026		85,000	20,085							57,892
Common stock, shares, outstanding			255,000
Rate of dividend payable in kind			7.00%
Preferred stock convertible amount			$ 3,400,000
Fair value per share			$ 39.78
Price per shares			$ 2.75
Preferred stock, shares issued			1,020,000
Common stock shares reserved for future issuance, Value			$ 2,800,000
Amount of beneficial conversion feature			$ 2,800,000
Number of shares reserved for future issuance			1,020,000
Average market price of common stock			$ 39.78
Preferred stock, liquidation preference per share			2.7451
Conversion price			32.94
Series A, Preferred Stock \| PIK [Member]
Accumulated dividend							$ 1,200,000		$ 1,200,000		$ 900,000
Series B Preferred Stock [Member] \| General International Holdings, Inc [Member]
Rate of dividend payable in kind						7.00%
Class of Warrant or Right, Outstanding						55,555
Price per shares						$ 1.50					$ 28.08
Preferred stock, shares issued						2,666,667
Conversion price						$ 18
Proceeds from issuance of warrants						$ 4,000,000.0
Liquidation preference per share						$ 1.50
Series B Preferred Stock [Member] \| Securities Purchase Agreement [Member] \| Preferred Stock Equity Offerings [Member]
Fair value per share			3.315
Conversion price			2.7451
Reverse stock split									one-for-twelve reverse stock split on October 21, 2019
Accrete dividend			$ 2.7451
Series B, Preferred Stock \| PIK [Member]
Preferred Stock, Shares Outstanding							663,767		663,767		699,878
Aggregate liquidation preference									$ 2,600,000		$ 2,600,000
Accumulated dividend							$ 800,000		800,000		$ 700,000
Total deemed dividends							$ 10,000	$ 10,000	$ 29,000	$ 28,000
Series B Preferred Shares [Member] \| Convertible Stock [Member]
Preferred Stock, Shares Outstanding							2,666,667		2,666,667		2,666,667
Allocated amount									$ 370,000
Remaining value of warrant									$ 300,000