Stock Repurchase Program (Details) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended		38 Months Ended	0 Months Ended	35 Months Ended	38 Months Ended	0 Months Ended
	Aug. 09, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Nov. 06, 2014 Subsequent Event	Jun. 30, 2014 August 2011 Program	Sep. 30, 2014 August 2011 Program	Aug. 31, 2011 August 2011 Program Maximum
Stock Repurchase Program
Value of common stock approved under stock repurchase program	$ 3,000,000									$ 3,000,000
Increase in the authorized amount for repurchase of common stock							3,000,000
Number of shares of common stock repurchased		145,000	21,000	323,000	196,000	2,616,000			964,000
Value of common stock repurchased						4,200,000		1,300,000
Average price per share of common stock repurchased (in dollars per share)						$ 1.57
Value of common stock available for repurchase under current program				$ 153,000