Quarterly report pursuant to Section 13 or 15(d)

Share Repurchase Plan (Details Textual)

Share Repurchase Plan (Details Textual) (USD $)
9 Months Ended
Aug. 31, 2012
Jun. 06, 2012
Dec. 31, 2011
Share Repurchase Plan (Textual) [Abstract]      
Number of shares authorized to repurchase   3,000,000 1,000,000
Number of shares repurchased 705,150    
Average price per share (repurchased) $ 2.09    
Shares repurchase plan Open market purchases, Privately negotiated block trades, Unsolicited negotiated transactions, and/or trading plan in accordance with Rule 10b5-1 of the Securities and Exchange Commission