Equity (Details Textual) (USD $)	3 Months Ended			12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Stock Issued During Period, Shares, Employee Stock Purchase Plans	1,498,850	1,498,850	98,850
Warrants Issued During Period to Purchase Common Stock, Shares						620,000
Fair Value of Warrant Issued						$ 229,000
Adjustments to Additional Paid in Capital, Warrant Issued				$ 74,000	$ 80,000