Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details 4)

v3.19.1
Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details 4) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Apr. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Revenue $ 43,570 $ 58,577  
Gross profit 18,364 25,167  
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent (11,037) 31  
Prepaid Expense and Other Assets, Current 1,706 816 $ 888
Accrued Liabilities, Current 3,567 3,280 3,352
Deferred revenue 1,217 1,790 1,680
Deferred revenue non-current 444 846 627
Retained Earnings (Accumulated Deficit) (340,698) (329,645) (329,316)
Net income (loss) (11,382) $ 31  
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Revenue 110    
Gross profit 110    
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent 110    
Net income (loss) 110    
Calculated under Revenue Guidance in Effect before Topic 606 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Revenue 43,680    
Gross profit 18,474    
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent (10,927)    
Prepaid Expense and Other Assets, Current 1,531    
Accrued Liabilities, Current 3,392    
Deferred revenue 1,327    
Deferred revenue non-current 553    
Retained Earnings (Accumulated Deficit) (340,917)    
Net income (loss) (11,272)    
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Prepaid Expense and Other Assets, Current (175)   72
Accrued Liabilities, Current (175)   72
Deferred revenue 110   (110)
Deferred revenue non-current 109   (219)
Retained Earnings (Accumulated Deficit) $ (219)   $ 329