Quarterly report pursuant to Section 13 or 15(d)

REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS (Details)

v3.6.0.2
REVISION OF PRIOR PERIOD FINANCIAL STATEMENTS (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Mar. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]          
Other current assets $ 8,933   $ 8,933   $ 8,007
Total current assets 192,622   192,622   212,645
Total assets 229,661   229,661   230,600
Accumulated deficit (591,382)   (591,382)   (596,940)
Total stockholders’ deficit (116,554)   (116,554)   (125,885)
Cost of product revenue 63,324 $ 56,323 177,808 $ 156,656  
Cost of service revenue 15,158 15,550 45,328 50,524  
Total cost of revenue 78,482 71,873 223,136 207,180  
Gross margin 55,002 56,175 161,374 148,749  
Income (loss) from operations 7,253 1,432 11,054 (17,102)  
Income (loss) before income taxes 5,301 (390) 6,275 (22,394)  
Net income (loss) 5,006 (821) 5,558 (23,511)  
As Reported          
Error Corrections and Prior Period Adjustments Restatement [Line Items]          
Other current assets         6,953
Total current assets         211,591
Total assets         229,546
Accumulated deficit         (597,994)
Total stockholders’ deficit         (126,939)
Cost of product revenue   56,323   156,360  
Cost of service revenue   15,028   49,590  
Total cost of revenue   71,351   205,950  
Gross margin   56,697   149,979  
Income (loss) from operations   1,954   (15,872)  
Income (loss) before income taxes   132   (21,164)  
Net income (loss)   (299)   (22,281)  
Adjustment          
Error Corrections and Prior Period Adjustments Restatement [Line Items]          
Other current assets         1,054
Total current assets         1,054
Total assets         1,054
Accumulated deficit         1,054
Total stockholders’ deficit         $ 1,054
Cost of product revenue   0   296  
Cost of service revenue   522   934  
Total cost of revenue   522   1,230  
Gross margin   (522)   (1,230)  
Income (loss) from operations   (522)   (1,230)  
Income (loss) before income taxes   (522)   (1,230)  
Net income (loss)   $ (522)   $ (1,230)  
Previously expensed costs for certain third party maintenance contracts | Adjustment          
Error Corrections and Prior Period Adjustments Restatement [Line Items]          
Accumulated deficit $ 1,600   $ 1,600