Warrants (Details 1) (Warrants [Member], USD $)	6 Months Ended
Jun. 30, 2012
Warrants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding number of Shares Remaining , Beginning Balance	1,651,250
Outstanding, Weighted Average Exercise Price	$ 5.61
Warrants granted during 2012, Number of Shares Remaining warrants	48,000
Warrant granted, Weighted Average Exercise Price	$ 10.00
Warrants cancelled/expired during 2012, Number of Shares Remaining Warrants	0
Outstanding number of Shares Remaining , Ending Balance	1,699,250
Outstanding, Weighted Average Exercise Price Ending balance	$ 5.73
Options exercisable, Number of Shares Remaining Options	1,087,500
Options, Exercisable, Weighted Average Exercise Price	$ 5.00
Outstanding, Weighted-Average Remaining Contractual Term	8 years 14 days
Exercisable, Weighted Average Remaining Contractual Term	7 years 9 months 29 days
Options, Outstanding, Intrinsic Value	$ 0
Options, Exercisable, Intrinsic Value	$ 0

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Net number of share options (or share units) granted during the period.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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