Summary of Significant Accounting Policies (Details Textuals) (USD $)	Jun. 30, 2012	May 22, 2012	Apr. 23, 2012	Apr. 17, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Summary Of Significant Accounting Policies Details Textuals
Shareholders’ equity	$ 1,600,000	$ 4,000,000		$ 6,000,000
Accumulated deficit	(155,114,000)				(151,112,000)
Working capital	3,400,000
Cash and cash equivalents	233,000				3,096,000	3,242,000	8,431,000
Amount raised through equity issue					1,245,000
Net of financing costs					442,500
Common shares Issued	44,520,000		10,000,000		42,765,000
Received gross proceeds			132,000
Financing Costs			$ 152,000