Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 4)

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Stock-Based Compensation (Details 4) (USD $)
 3 Months Ended 1 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Restricted stock units
Jun. 30, 2011
Restricted stock units
Jun. 30, 2012
Options
Jun. 30, 2011
Options
Jun. 30, 2012
Non-employee director
Jun. 30, 2011
Non-employee director
Jun. 30, 2012
President, Chief Executive Officer and eligible executives
Restricted stock units
Incentive Plan
Jun. 30, 2012
President, Chief Executive Officer and eligible executives
Options
Incentive Plan
Stock-Based Compensation                    
Number of shares issued             22,162 14,681    
Weighted average grant date fair value of shares issued (in dollars per share)     $ 0.95       $ 1.00 $ 1.67    
Shares                    
Unvested, balance at the end of the period (in shares)     1,143,262              
Granted (in shares)     38,000           427,080  
Vested and issued (in shares)     (247,245)              
Forfeited (in shares)     (3,288)              
Unvested, balance at the end of the period (in shares)     930,729              
Awards expected to vest (in shares)     864,127              
Weighted Average Grant-Date Fair Value                    
Unvested restricted stock units outstanding at the beginning of the period (in dollars per share)     $ 1.20              
Granted (in dollars per share)     $ 0.95       $ 1.00 $ 1.67    
Vested and issued (in dollars per share)     $ 1.00              
Forfeited (in dollars per share)     $ 1.20              
Unvested restricted stock units outstanding at the end of the period (in dollars per share)     $ 1.16              
Awards expected to vest (in dollars per share)     $ 1.16              
Additional disclosure                    
Total fair value of units vested and issued     $ 100,000 $ 400,000            
Stock-based compensation expense 338,000 420,000 100,000 200,000 200,000 200,000        
Unrecognized compensation cost     $ 800,000              
Weighted average period for recognizing compensation cost     2 years 2 months 12 days   2 years          
Options granted (in shares)           250,000       1,708,330