Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Details textual)

v3.10.0.1
Revenue Recognition (Details textual) - USD ($)
6 Months Ended
Sep. 30, 2018
Apr. 01, 2018
Revenue from Contract with Customer [Abstract]    
ContractWithCustomerProductReturnAsset $ 100,000 $ 100,000
Capitalized Contract Cost, Net 0  
Contract with Customer, Liability, Revenue Recognized $ 900,000