CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Current assets:
Cash and cash equivalents	$ 41,030	$ 33,576
Short-term investments	133,959	129,274
Accounts receivable, net	14,264	11,070
Inventory	908	520
Deferred cost of goods sold	619	634
Deferred tax asset	0	5,382
Other current assets	6,574	5,444
Total current assets	197,354	185,900
Property and equipment, net	16,384	12,375
Intangible assets, net	17,038	21,464
Goodwill	46,136	47,420
Non-current deferred tax asset	48,859	43,189
Other assets	8,084	3,104
Total assets	333,855	313,452
Current liabilities:
Accounts payable	15,711	10,954
Accrued compensation	11,508	10,063
Accrued warranty	324	326
Accrued taxes	5,354	5,200
Accrued outside commissions	2,920	2,186
Deferred revenue	2,144	1,925
Other accrued liabilities	5,383	4,080
Total current liabilities	43,344	34,734
Non-current liabilities	1,850	3,258
Non-current deferred revenue	60	154
Total liabilities	45,254	38,146
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.001 par value: Authorized: 5,000,000 shares; Issued and outstanding: no shares at March 31, 2017 and 2016	0	0
Common stock, $0.001 par value: Authorized: 200,000,000 shares; Issued and outstanding: 91,500,091 shares and 89,213,205 shares at March 31, 2017 and 2016, respectively	91	89
Additional paid-in capital	412,762	389,260
Accumulated other comprehensive loss	(9,642)	(4,184)
Accumulated deficit	(114,610)	(109,859)
Total stockholders' equity	288,601	275,306
Total liabilities and stockholders' equity	$ 333,855	$ 313,452