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
Jun. 30, 2018
Jun. 30, 2017
Mar. 31, 2018
Apr. 02, 2013
Concentration Risk [Line Items]        
Revenue $ 13,037 $ 16,574    
AKA [Member]        
Concentration Risk [Line Items]        
Equity Method Investments 56   $ 56  
Revenue 600 $ 800    
Accounts Receivable, Net, Current 500   400  
Deferred Revenue 1,000   $ 1,400  
Guarantor Obligations, Maximum Exposure, Undiscounted $ 700      
AKA [Member]        
Concentration Risk [Line Items]        
Equity Method Investment, Ownership Percentage       50.00%