Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entity and Guarantee (Details Textual)

v3.8.0.1
Variable Interest Entity and Guarantee (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2017
Apr. 02, 2013
Concentration Risk [Line Items]              
Total revenue $ 13,675   $ 14,983 $ 47,481 $ 47,579    
AKA [Member]              
Concentration Risk [Line Items]              
Equity Method Investments 61     61   $ 111  
Dividend Income, Operating   $ 59          
Total revenue 1,500   $ 300 3,200 $ 2,000    
Accounts Receivable, Net, Current 1,000     1,000   500  
Deferred Revenue 1,500     1,500   $ 2,800  
Guarantor Obligations, Maximum Exposure, Undiscounted $ 700     $ 700      
AKA [Member]              
Concentration Risk [Line Items]              
Equity Method Investment, Ownership Percentage             50.00%