Lightbridge Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details Narrative)

Subsequent Events (Details Narrative) - USD ($)		1 Months Ended		12 Months Ended
Subsequent Events (Details Narrative) - USD ($)	Jan. 08, 2018	Jan. 30, 2018	Oct. 26, 2017	Dec. 31, 2017	Dec. 31, 2016	Mar. 15, 2018	Mar. 02, 2018	Feb. 07, 2018	Jan. 26, 2018	Jan. 24, 2018	Aug. 10, 2016
Class of warrants/rights issued				1,210,905	1,713,172
Proceeds from Issuance of Common Stock				$ 6,027,064	$ 6,135,804
Share price				$ 1.05
Stock options granted				1,854,277	1,210,467
Aspire Capital [Member]
Class of warrants/rights issued											500,000
Subsequent Event [Member] \| Convertible Series B Preferred Stock [Member]
Preferred stock offering cost		$ 4,000,000
Non-Voting preferred stock shares issued		2,666,667
Class of warrants/rights issued		666,664
Proceeds from Issuance of Common Stock		$ 4,000,000
Share price		$ 1.50
Dividends Paid in kind, percentage		7.00%
Common stock warrants exercise price		$ 1.875
Consulting agreement monthly payment description		The consulting agreement calls for monthly retainer payments of $15,000, which are credited against any transaction introductory fee earned by the consultant. This agreement calls for a seven percent transaction introductory fee and warrants equal to 5 percent of the total transaction amount, at a strike price equal to the offering price for a three-year term.
Non-Voting preferred stock per share		$ 0.001
Preferred stock shares authorized to issue		2,666,667
Preferred Stock, Liquidation Preference Per Share		$ 1.50
Subsequent Event [Member] \| Shelf Registration Statement [Member]
Securities registered to be sold under new shelf registration statement filed, value						$ 75,000,000
Subsequent Event [Member] \| 2015 Equity Incentive Plan [Member] \| Employees And Consultants [Member] \| Long-Term Non-Qualified Option Grants [Member]
Option vesting condition description			Accelerated vesting occurred on January 25, 2018 when the Companys stock price closed above $3 per share and therefore met the market-based milestone for 100% vesting of these option grants, as set forth in these stock option agreements
Subsequent Event [Member] \| 2015 Equity Incentive Plan [Member] \| Employees And Consultants Director [Member] \| Long-Term Non-Qualified Option Grants [Member]
Stock options granted			1,300,000
Subsequent Event [Member] \| Equity line agreement [Member] \| Aspire Capital [Member]
Class of warrants/rights issued				500,000
Common stock sold, shares	600,000
Proceeds from Issuance of Common Stock	$ 700,000
Deferred financing cost				$ 1,000,000
Subsequent Event [Member] \| New ATM agreement [Member]
Amount of additional prospectus supplement filed							$ 4,200,000	$ 5,900,000	$ 6,600,000
Amount raised under addtional prospectus supplement							$ 2,000,000	$ 5,900,000	$ 6,600,000
Subsequent Event [Member] \| New ATM agreement [Member] \| B. Riley FBR, Inc. [Member]
Amount of additional prospectus supplement filed										$ 5,900,000
Amount raised under addtional prospectus supplement										$ 5,900,000
Subsequent Event [Member] \| Joint Venture Operating Agreement [Member] \| Framatome [Member]
Percentage of Class A voting membership										50.00%