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Stockholders' Equity (Details Textual) (USD $)	9 Months Ended		12 Months Ended
Stockholders' Equity (Details Textual) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	334,851	10,000	23,333
Stock Issued During Period, Value, Stock Options Exercised	$ 94,000
Stock Issued During Period Shares Stock Warrants Exercised	1,768,167
Proceeds from Issuance of Warrants	$ 2,000,000

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

Number of share options (or share units) exercised during the current period.

Value of stock issued as a result of the exercise of stock options.