Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Mar. 31, 2014
Lease Commitments          
Renewal option period     5 years    
Deferred rent $ 48,000   $ 48,000   $ 100,000
Rent expense 600,000 600,000 1,200,000 1,100,000  
Inventory
         
Commitments and Contingencies          
Commitment to purchase $ 45,300,000   $ 45,300,000