Stock Repurchase Program (Details) (USD $)	0 Months Ended	3 Months Ended		23 Months Ended	0 Months Ended	1 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Aug. 09, 2012 Maximum	Aug. 31, 2011 Maximum
Stock Repurchase Program
Value of common stock approved under stock repurchase program					$ 3,000,000	$ 3,000,000
Number of shares of common stock repurchased		175,000	308,000	2,272,000
Value of common stock available for repurchase under current program	783,000
Value of common stock repurchased				$ 3,500,000
Average price per share of common stock repurchased (in dollars per share)				$ 1.54