Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Mar. 31, 2015
Current assets:
Cash and cash equivalents	$ 68,796	$ 105,257
Short-term investments	120,225	95,503
Accounts receivable, net of allowance for doubtful accounts of $422 and $282, respectively	20,684	13,813
Prepaid expenses and other current assets	8,273	4,299
Total current assets	217,978	218,872
Property and equipment, net	40,621	35,397
Restricted cash	8,023	4,623
Goodwill	2,053	2,053
Intangible assets, net	1,802	2,300
Other assets, non-current	1,638	1,466
Total assets	272,115	264,711
Current liabilities:
Accounts payable	5,584	4,969
Accrued compensation and benefits	7,483	6,288
Other current liabilities	5,165	3,623
Deferred revenue	42,041	29,185
Total current liabilities	60,273	44,065
Deferred rent, non-current	4,775	4,638
Deferred revenue, non-current	3,344	124
Other liabilities, non-current	708	1,014
Total liabilities	$ 69,100	$ 49,841
Commitments and contingencies (Note 6)
Stockholders' equity:
Common stock, $0.001 par value; 100,000 shares authorized at September 30, 2015 and March 31, 2015; 48,779 shares and 47,377 shares issued at September 30, 2015 and March 31, 2015; and 48,519 shares and 47,117 shares outstanding at September 30, 2015 and March 31, 2015;	$ 49	$ 47
Treasury stock - at cost (260 shares)	(263)	(263)
Additional paid-in capital	364,725	346,671
Accumulated other comprehensive income	42	15
Accumulated deficit	(161,538)	(131,600)
Total stockholders' equity	203,015	214,870
Total liabilities and stockholders' equity	$ 272,115	$ 264,711