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

Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation, Summary of Significant Accounting Policies and Nature of Operations (Narrative) (Details)

Basis of Presentation, Summary of Significant Accounting Policies and Nature of Operations (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 20, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015	Aug. 02, 2016	Dec. 31, 2014
Stockholders' Deficit		$ 1,103,170		$ 1,103,170		$ (1,499,068)
Retained Earnings (Accumulated Deficit)		(76,003,352)		$ (76,003,352)		(74,371,441)
Operating cycle length - Westinghouse-type				24 months
Cash and Cash Equivalents, at Carrying Value		1,484,099	$ 2,371,266	$ 1,484,099	$ 2,371,266	$ 623,184		$ 4,220,225
Research and Development Expense		$ 419,498	$ 394,715	$ 1,005,748	$ 607,545
Stockholders' Equity, Reverse Stock Split	1 for 5
Common Stock, Shares, Issued and Outstanding		4,799,906		4,799,906		3,725,819
Common Stock, Shares Authorized		100,000,000		100,000,000		100,000,000
Preferred Stock, Shares Authorized		10,000,000		10,000,000		10,000,000
Common Stock, Par or Stated Value Per Share		$ 0.001		$ 0.001		$ 0.001
Preferred Stock, Par or Stated Value Per Share		$ 0.001		$ 0.001		$ 0.001
Aspire Capital [Member]
Equity Agreement, Amount		$ 20,000,000		$ 20,000,000
Series A Preferred Stock [Member]
Convertible Preferred Stock Amount							$ 2,800,000
Reverse Stock Split [Member]
Common Stock, Par or Stated Value Per Share		$ 0.001		$ 0.001
Preferred Stock, Par or Stated Value Per Share		$ 0.001		$ 0.001
Minimum [Member]
Metallic fuel power uprate percentage				10.00%
Amortization period for patents				17 years
Minimum [Member] \| Reverse Stock Split [Member]
Common Stock, Shares, Issued and Outstanding		4,799,906		4,799,906		3,725,819
Common Stock, Shares Authorized						100,000,000
Preferred Stock, Shares Authorized						10,000,000
Maximum [Member]
Amortization period for patents				20 years
Maximum [Member] \| Reverse Stock Split [Member]
Common Stock, Shares, Issued and Outstanding		23,999,386		23,999,386		18,628,957
Common Stock, Shares Authorized		500,000,000		500,000,000
Preferred Stock, Shares Authorized		50,000,000		50,000,000
Approximations [Member]
Working Capital				$ 400,000		$ 100,000
Stockholders' Deficit		$ 1,100,000		1,100,000		1,500,000
Cash		1,500,000		1,500,000		900,000
Retained Earnings (Accumulated Deficit)		76,000,000		76,000,000		74,000,000
Approximations [Member] \| ENEC and FANR Projects [Member]
Concentration Risk, Percentage			6.00%		22.00%
Approximations [Member]
Federally insured cash limit		250,000		250,000
Cash and Cash Equivalents, at Carrying Value		1,500,000		1,500,000		600,000
Restricted Cash		$ 0		$ 0		$ 300,000
Concentration Risk, Percentage				99.00%		77.00%
Approximations [Member] \| ENEC and FANR Projects [Member]
Concentration Risk, Percentage		6.00%				22.00%
Approximations [Member] \| Customer Contract [Member]
Concentration Risk, Percentage		50.00%		21.00%
Approximations [Member] \| Vendor 1 [Member]
Concentration Risk, Accounts Payable Percentage				63.00%		50.00%
Approximations [Member] \| Vendor 2 [Member]
Concentration Risk, Accounts Payable Percentage				21.00%
Approximations [Member] \| United States Customer [Member]
Concentration Risk, Percentage		43.00%		57.00%
Joint Venture [Member] \| Approximations [Member]
Amount to be Paid Toward Total Cost of Work				$ 141,000
Terms of Joint Venture				The total amount is due and payable by the Company as follows: 40% of the total amount due upon the effective date of the signing of the JD; 30% of the total amount due upon the delivery of an intermediate report by AREVA and the remaining 30% due upon the delivery of the final report to the Company.
Initial Payment Included in Accounts Payable				$ 58,000