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

Quarterly report pursuant to Section 13 or 15(d)

Schedule of Deferred Tax Assets and Liabilities (Details)

Schedule of Deferred Tax Assets and Liabilities (Details) (Approximations [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Capitalized start up costs	$ 5	$ 5
Share based compensation	22	22
Net operating loss carry-forward	36	34
Less: valuation allowance	(62)	(61)
Deferred Tax Assets, Net, Total	0	0
Deferred Tax Asset Amount [Member]
Capitalized start up costs	2	2
Share based compensation	9	9
Net operating loss carry-forward	14	14
Less: valuation allowance	(25)	(24)
Deferred Tax Assets, Net, Total	$ 0	$ 0

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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