Stockholders' Equity (Details Textual) (USD $)	6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Options Exercised	334,851	10,000	23,333
Stock Issued During Period, Value, Stock Options Exercised	$ 88,000
Stock Issued During Period Shares Stock Warrants Exercised	1,673,776
Proceeds From Issuance Of Warrants	$ 1,900,000