Quarterly report pursuant to Section 13 or 15(d)

Stock Based Payment Arrangements (Details Textual)

v2.4.0.6
Stock Based Payment Arrangements (Details Textual) (USD $)
1 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jul. 30, 2012
Jun. 30, 2012
Jun. 30, 2012
Stock Options [Member]
Jun. 30, 2011
Stock Options [Member]
Jun. 30, 2012
Stock Options [Member]
Jun. 30, 2011
Stock Options [Member]
Stock Based Payment Arrangements (Textual) [Abstract]            
Stock options 30,000   0 280,800 100,000 300,800
Weighted-average grant date fair value     $ 0.00 $ 4.56 $ 1.03 $ 4.49
Stock options previously granted have vested   160,725        
Stock options forfeited         134,666