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Stock-Based Compensation
3 Months Ended
Mar. 31, 2013
Stock-Based Compensation [Abstract]  
Stock-Based Compensation
7.  
Stock-Based Compensation

The Company recognizes compensation expense for all equity-based compensation awards issued to employees, directors and non-employees that are expected to vest.  Compensation cost is based on the fair value of awards as of the grant date.  The Company recognized $224,000 and $220,000 of stock-based compensation expense for the three months ended March 31, 2013 and 2012, respectively, under the fair value method.  The Company granted 64,500 stock options for the three months ended March 31, 2013.  The fair value of the options granted for the three months ended March 31, 2013 was $78,000.  The Company granted 92,870 stock options for the three months ended March 31, 2012.  The fair value of the options granted for the three months ended March 31, 2012 was $64,000.