Income Taxes (Details 1) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2006
The deferred tax asset
Net operating loss carryforward	$ 5,593,000	$ 4,419,000
Deferred start-up costs	3,762,000	2,658,000
Research and development credit carryforward	590,000	477,000	1,200,000
Stock-based compensation	689,000	520,000
Other	51,000	(13,000)
Deferred Tax Assets, Gross, Current	10,685,000	8,061,000
Less: Valuation allowance	(10,685,000)	(8,061,000)
Net deferred tax asset

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other provisions, reserves, allowances, and accruals not separately disclosed.

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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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