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 3 Months Ended 1 Months Ended 3 Months Ended 1 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Mar. 31, 2014
Jun. 30, 2014
Series A Junior Participating Preferred Stock
Jun. 30, 2014
Restricted stock units
Jun. 30, 2013
Restricted stock units
May 31, 2014
PRSU Program
item
Jun. 30, 2014
PRSU Program
Jun. 30, 2014
Non-employee director
Jun. 30, 2013
Non-employee director
May 31, 2014
Chief Executive Officer
PRSU Program
Shares                      
Nonvested, balance at the beginning of the period (in shares)         2,061,224            
Granted (in shares)         571,000           200,000
Vested and issued (in shares)         (361,685)            
Forfeited (in shares)         (28,608)            
Nonvested, balance at the end of the period (in shares)         2,241,931            
Awards expected to vest (in shares)         2,028,197            
Weighted Average Grant-Date Fair Value                      
Nonvested restricted stock units outstanding at the beginning of the period (in dollars per share)         $ 1.11            
Granted (in dollars per share)         $ 1.49     $ 1.56 $ 1.55 $ 1.28  
Vested and issued (in dollars per share)         $ 1.11            
Forfeited (in dollars per share)         $ 1.18            
Nonvested restricted stock units outstanding at the end of the period (in dollars per share)         $ 1.17            
Awards expected to vest (in dollars per share)         $ 1.17            
Additional disclosure                      
Total fair value of units vested and issued         $ 700,000 $ 300,000          
Stock-based compensation expense 687,000 734,000     300,000 300,000   12,300      
Unrecognized compensation cost         $ 1,900,000     $ 200,000      
Weighted average period for recognizing compensation cost         2 years 7 months 6 days     2 years 9 months 18 days      
Second performance measurement period term             3 years        
Number of performance measurement periods             2        
Vesting right percentage of awards that will vest after end of applicable performance measurement period             50.00%        
Vesting right percentage of awards that will vest one year after end of performance measurement period             50.00%        
Number of shares issued                 18,944 22,258  
Number of preferred stock purchase right for each share of common stock 1                    
Preferred stock conversion basis       0.01              
Preferred stock, par value (in dollars per share) $ 0.001   $ 0.001                
Purchase price (in dollars per share) $ 10.00                    
Period following public announcement of beneficial ownership acquired by various persons resulting in rights becoming exercisable 10 days                    
Beneficial ownership of common stock (as a percent) 20.00%                    
Period following commencement of tender offer or exchange offer that would result in acquisition of beneficial ownership various persons resulting in rights becoming exercisable 10 days                    
Weighted average grant date fair value of options granted during the period (in dollars per share)         $ 1.49 $ 0.95