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Stockholders' Equity (Details) (USD $)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 22, 2013
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Class of Stock [Line Items]        
Stock issued upon exercise of warrants   1,800,000    
Stock repurchased amount $ 5,000,000      
Payment to purchased the full shares authorized   $ 2,865,000 $ 0 $ 5,000,000
Common stock
       
Class of Stock [Line Items]        
Shares surrendered as payment of tax withholding (in shares)   (54,000)    
Repurchase of Company stock (in shares)   1,163,000