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Common Stock, Common Stock Options and Warrants (Detail Textuals) (USD $)
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9 Months Ended | 12 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2012
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Dec. 31, 2011
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Sep. 30, 2012
Maximum
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Sep. 30, 2012
Minimum
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Sep. 30, 2012
Stock options
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Sep. 30, 2012
Warrant
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Sep. 30, 2012
Omnibus Equity Incentive Plan 2006
Stock options
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Sep. 30, 2012
Omnibus Equity Incentive Plan 2006
Stock options
Employee
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Sep. 30, 2012
Omnibus Equity Incentive Plan 2001
Stock options
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||
| Common stock, authorised (in shares) | 75,000,000 | ||||||||
| Common Stock,par value (in dollars per share) | $ 0.001 | ||||||||
| Common shares purchased (in shares) | 58,000 | ||||||||
| Number of employees affected | 8 | ||||||||
| Options issued | 17,792 | 147,126 | 625 | ||||||
| Options forfeited | (147,751) | 17,792 | 147,126 | 625 | |||||
| Number of options outstanding (in shares) | 2,938,881 | 3,028,632 | 2,938,881 | ||||||
| Number of shares issuable in exchange of preferred stock (in shares) | 51,554 | ||||||||
| Annual rate of quarterly dividends (in percent) | 0.00% | ||||||||
| Method used in share-based payment | Black-Scholes option pricing model | ||||||||
| Expected option term in years | 6 years | 6 years | 6 years 6 months | 3 years 6 months | |||||
| Total unrecognized compensation costs related to non-vested stock option agreements granted | $ 12,183 | ||||||||