Earnings Per Share (EPS) (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Earnings Per Share (EPS) (Textual)
Shares excluded from diluted weighted-average common shares outstanding computation due to operating losses	341,000	291,000	372,000	324,000