Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entity and Guarantee (Details Textual)

v3.7.0.1
Variable Interest Entity and Guarantee (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Mar. 31, 2017
Apr. 02, 2013
Concentration Risk [Line Items]        
Total revenue $ 16,574 $ 14,816    
AKA [Member]        
Concentration Risk [Line Items]        
Equity Method Investments 100   $ 100  
Total revenue 800 $ 1,100    
Accounts Receivable, Net, Current 300   500  
Deferred Revenue 2,200   $ 2,800  
Guarantor Obligations, Maximum Exposure, Undiscounted $ 700      
AKA [Member]        
Concentration Risk [Line Items]        
Equity Method Investment, Ownership Percentage       50.00%