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

Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Narrative)

Stockholders' Equity (Details Narrative) - USD ($)					1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
Stockholders' Equity (Details Narrative) - USD ($)	Nov. 09, 2016	Aug. 02, 2016	Jun. 12, 2015	Jun. 11, 2015	Jul. 20, 2016	Sep. 30, 2017	Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Jul. 12, 2017	May 19, 2017	Aug. 10, 2016	Jul. 29, 2016	May 12, 2016	Sep. 04, 2015
Reverse stock split					1 for 5
Common Stock, Shares, Outstanding						11,426,754			11,426,754		9,911,864
Class of Warrant or Right, Outstanding						1,210,905			1,210,905		1,713,172
Number of options outstanding						2,175,335			2,175,335		2,172,581
Total stock and stock equivalents outstanding						15,915,897			15,915,897		12,047,250
Common stock equivalents						1,102,903			1,102,903		1,049,354
Common Stock, Shares Authorized						100,000,000			100,000,000		100,000,000						1,853,960
Accrued dividend						$ 227,578			$ 227,578		$ 80,578
Short-term portion						500,000			500,000		500,000
Long-term portion						$ 600,000			$ 600,000		$ 100,000
Common Stock issued						11,426,754			11,426,754		9,911,864
Proceeds from Issuance of Common Stock									$ 4,376,455	$ 3,631,689
Share based compensation						$ 200,000		$ 400,000	400,000	$ 600,000
Unrecognized compensation costs						$ 700,000			$ 700,000
Weighted average recognition period									1 year 1 month 6 days
Preferred Stock per share						$ 0.001			$ 0.001		$ 0.001
Aggregate amount of common stock																	$ 10,000,000
ATM Offering [Member]
Common Stock, Shares Authorized				5,800,000
Common stock sold, shares			1,200,000	3,800,000							1,900,000
Common stock sold, Value			$ 1,500,000	$ 4,700,000							$ 2,600,000
Series A Preferred Stock [Member]
Convertible preferred stock outstanding															255,000
Conversion price															$ 2.75
Shares issued															1,020,000
Preferred Stock per share															$ 0.001
Preferred Stock, Shares Outstanding															255,000
Aspire Option Agreement [Member]
Amortized amount						$ 100,000			$ 400,000
Warrant [Member]
Class of Warrant or Right, Outstanding												295,267
Common stock shares issued upon exercise of warrants												286,584
2006 Stock Plan [Member]
Number of options outstanding						2,175,335			2,175,335
Number of options vested and expected to vest outstanding						1,762,385			1,762,385
2015 Equity Incentive Plan [Member]
Number of options outstanding											2,172,581
Number of options vested and expected to vest outstanding											1,722,105
Stock Options and Restricted Stock [Member]
Common Stock, Shares Authorized													1,500,000			800,000
Increased authorized common shares													2,900,000			1,400,000
Employees And Consultants [Member] \| 2016 Non-Qualified Option Grants [Member]
Expected term	5 years
Fair market value of per option	$ 1.05
Non-qualified stock options	670,000
Contractual lives	10 years
Strike price	$ 1.54
Aspire Capital [Member]
Class of Warrant or Right, Outstanding														500,000
Strike price of warrants														$ 0.01
Maximum borrowing capacity under agreement														$ 20,000,000
Deferred financing cost														$ 1,700,000
Common stock sold, shares							400,000			1,100,000
Common stock sold, Value							$ 600,000			$ 2,700,000
General International Holdings Inc [Member] \| Series A Preferred Stock [Member]
Conversion price		$ 2.75
Common Stock issued		1,020,000
Proceeds from Issuance of Common Stock		$ 2,800,000
Accumulated dividends						$ 200,000			$ 200,000
Dividends accrue on Preferred Stock									7.00%
Consultants [Member]
Non-qualified stock options									269,056
Consultants [Member] \| Minimum [Member]
Contractual lives									3 years
Lower Limit									$ 1.54
Upper Limit									$ 52.50
Consulting [Member] \| Maximum [Member]
Contractual lives									10 years
Directors, officers, and employees [Member]
Non-qualified stock options									1,825,139
Lower Limit									$ 1.14
Upper Limit									$ 52.50
Directors, officers, and employees [Member] \| Minimum [Member]
Contractual lives									5 years
Directors, officers, and employees [Member] \| Maximum [Member]
Contractual lives									10 years
Directors, officers, and employees [Member] \| Other Options [Member] \| Minimum [Member]
Contractual lives									2 months 12 days
Directors, officers, and employees [Member] \| Other Options [Member] \| Maximum [Member]
Contractual lives									9 years 3 months 19 days
Chief Executive Officer [Member]
Non-qualified stock options									595,146
Chief Executive Officer [Member] \| Minimum [Member]
Contractual lives									2 months 12 days
Chief Executive Officer [Member] \| Maximum [Member]
Contractual lives									9 years 1 month 6 days
Advisory Board Members [Member]
Non-qualified stock options									81,140
Contractual lives									10 years
Lower Limit									$ 1.08
Upper Limit									$ 52.50