CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2015	Mar. 31, 2015
Current assets:
Cash and cash equivalents	$ 28,795	$ 53,110
Short-term investments	120,352	123,984
Accounts receivable, net	10,135	6,642
Inventory	879	704
Deferred cost of goods sold	510	428
Deferred tax asset	3,678	4,454
Other current assets	4,323	2,274
Total current assets	168,672	191,596
Property and equipment, net	11,310	10,248
Intangible assets, net	25,083	12,260
Goodwill	48,695	36,887
Non-current deferred tax asset	43,169	43,169
Other assets	1,687	1,464
Total assets	298,616	295,624
Current liabilities:
Accounts payable	9,852	7,775
Accrued compensation	7,784	6,183
Accrued warranty	325	339
Accrued taxes	3,819	2,800
Deferred revenue	1,589	1,768
Other accrued liabilities	3,313	2,965
Total current liabilities	26,682	21,830
Non-current liabilities	4,046	1,352
Non-current deferred revenue	177	231
Total liabilities	$ 30,905	23,413
Commitments and contingencies (Note 6)
Stockholders' equity:
Common stock	$ 87	88
Additional paid-in capital	376,844	378,971
Accumulated other comprehensive loss	(2,117)	(2,109)
Accumulated deficit	(107,103)	(104,739)
Total stockholders' equity	267,711	272,211
Total liabilities and stockholders' equity	$ 298,616	$ 295,624