Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details Textual)

v2.4.0.6
Stock Based Compensation (Details Textual) (USD $)
1 Months Ended 3 Months Ended
Mar. 05, 2013
Mar. 31, 2013
Mar. 31, 2012
Stock Based Compensation (Textual) [Abstract]      
Stock options granted, exercisable life   5 years  
Stock options vested period, minimum and maximum   3 years  
Stock options remainder vesting period   2 years  
Stock options, authorized   2,247,046  
Non-cash compensation expense   $ 1,406,000 $ 1,352,000
Tax benefits related to stock based compensation   0  
Unrecognized compensation costs   $ 1,800,000  
Compensation costs expected to be recognized   1 year 4 months 24 days  
Stock options Granted from existing stock plans 1,116,400 1,116,000