Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entity and Guarantee (Details Textual)

v3.10.0.1
Variable Interest Entity and Guarantee (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Mar. 31, 2018
Apr. 02, 2013
Concentration Risk [Line Items]            
Revenue $ 10,722 $ 13,675 $ 33,865 $ 47,481    
AKA [Member]            
Concentration Risk [Line Items]            
Equity Method Investments 100   100   $ 100  
Revenue 500 $ 1,500 1,600 $ 3,200    
Accounts Receivable, Net, Current 400   400   402  
Deferred Revenue 900   900   $ 1,400  
Guarantor Obligations, Maximum Exposure, Undiscounted $ 700   $ 700      
AKA [Member]            
Concentration Risk [Line Items]            
Equity Method Investment, Ownership Percentage           50.00%