Earnings (loss) Per Share (Details Textual) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Incremental Common Shares Attributable to Call Options and Warrants	1,022	1,151	1,458	1,151