Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Purchase and Lease Commitments (Details)

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Commitments and Contingencies - Purchase and Lease Commitments (Details) - USD ($)
 3 Months Ended
Jun. 07, 2017
Jun. 30, 2017
Jun. 30, 2016
Mar. 31, 2017
Lease Commitments        
Renewal option period   5 years    
Deferred rent   $ 100,000   $ 200,000
Rent expense   600,000 $ 600,000  
Inventory        
Commitments and Contingencies        
Commitment to purchase inventories   $ 28,400,000    
Van Nuys Fourth Amendment        
Lease Commitments        
Operating Lease, Extension Term 62 months      
Monthly base rent payable for the first agreed period $ 0      
Monthly base rent payable for the second agreed period 66,846      
Monthly base rent payable for the third agreed period 68,852      
Monthly base rent payable for the fourth agreed period 70,917      
Monthly base rent payable for the fifth agreed period 73,045      
Monthly base rent payable for the sixth agreed period 75,236      
Monthly base rent payable for the seventh agreed period $ 77,493      
Operating Lease, Period Available under Options for Lease Extension 5 years