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Stock-Based Compensation (Narrative) (Details) (USD $)
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3 Months Ended | 6 Months Ended | 12 Months Ended | 147 Months Ended | |||
|---|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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Jun. 30, 2013
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Dec. 31, 2011
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| Number of options, Oustanding | 10,041,795 | 7,841,795 | 10,041,795 | 7,841,795 | 7,741,795 | 10,041,795 | 7,646,795 |
| Share-based employee compensation expense | $ 54,371 | $ 50,752 | $ 426,322 | $ 141,926 | $ 6,234,938 | ||
| Valuation allowance on deferred tax assets | 100.00% | ||||||
| Compensatory stock | 137,200 | 2,267,077 | |||||
| Stock options granted | 2,300,000 | 245,000 | |||||
| Stock option exercise price | $ 0.37 | $ 0.41 | |||||
| Numberof options, Exercised | 0 | ||||||
| Share Based Compensation Arrangement By Share Based Payment Award Options Vested, Weighted Average Grant Date Fair Value | $ 0.36 | $ 0.93 | $ 0.36 | $ 0.93 | $ 0.36 | ||
| Unrecognized compensation cost | 370,592 | 370,592 | 172,532 | 370,592 | |||
| Weighted average vesting period, years | 2 years 1 month 6 days | 1 year | |||||
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The 2013 Plan [Member]
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| Options authorized for issuance | 17,000,000 | 17,000,000 | 17,000,000 | ||||
| Number of options, Oustanding | 300,000 | 300,000 | 300,000 | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 16,700,000 | 16,700,000 | 16,700,000 | ||||
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The 2003 Plan [Member]
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| Number of options, Oustanding | 9,741,795 | 9,741,795 | 9,741,795 | ||||
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First Anniversary [Member]
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| Vesting percentage | 30.00% | ||||||
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Second Anniversary [Member]
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| Vesting percentage | 30.00% | ||||||
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Third Anniversary [Member]
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| Vesting percentage | 40.00% | ||||||
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Maximum [Member]
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| Expiration of options from grant date, years | 10 years | ||||||
| Non-employee vesting period | 3 years | ||||||
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Minimum [Member]
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| Expiration of options from grant date, years | 5 years | ||||||
| Non-employee vesting period | 1 year | ||||||
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Exercise Price $0.31 [Member]
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| Stock options granted | 550,000 | ||||||
| Stock option exercise price | $ 0.31 | ||||||
| Stock option grants fair value | 122,497 | ||||||
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Exercise Price $0.37 [Member]
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| Stock options granted | 1,200,000 | ||||||
| Stock option exercise price | $ 0.37 | ||||||
| Stock option grants fair value | 320,465 | ||||||
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Exercise Price $0.38 [Member]
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| Stock options granted | 170,000 | ||||||
| Stock option exercise price | $ 0.38 | ||||||
| Stock option grants fair value | 47,589 | ||||||
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Exercise Price $0.39 [Member]
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| Stock options granted | 250,000 | ||||||
| Stock option exercise price | $ 0.39 | ||||||
| Stock option grants fair value | 69,529 | ||||||
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Exercise Price $0.48 [Member]
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| Stock options granted | 75,000 | ||||||
| Stock option exercise price | $ 0.48 | ||||||
| Stock option grants fair value | 26,835 | ||||||
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Exercise Price $0.50 [Member]
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| Stock options granted | 300,000 | ||||||
| Stock option exercise price | $ 0.50 | ||||||
| Stock option grants fair value | 107,086 | ||||||
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Employee Transaction [Member]
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| Share-based employee compensation expense | 54,371 | 55,317 | 420,482 | 115,132 | |||
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Non-Employee Transaction [Member]
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| Compensatory stock | $ (4,565) | $ 5,840 | $ 26,794 | ||||