Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entity and Guarantee (Details Textual)

v3.5.0.2
Variable Interest Entity and Guarantee (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Mar. 31, 2016
Apr. 02, 2013
Concentration Risk [Line Items]            
Revenue $ 17,780 $ 25,514 $ 32,596 $ 47,084    
AKA [Member]            
Concentration Risk [Line Items]            
Equity Method Investments 100   100   $ 100  
Revenue 600 $ 900 1,700 $ 1,400    
Accounts Receivable, Net, Current 500   500   600  
Deferred Revenue 2,000   2,000   $ 1,700  
Guarantor Obligations, Maximum Exposure, Undiscounted $ 700   $ 700      
AKA [Member]            
Concentration Risk [Line Items]            
Equity Method Investment, Ownership Percentage           50.00%