CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2018	Jan. 31, 2018
Current assets:
Cash and cash equivalents	$ 111,617	$ 61,902
Short-term investments	159,371	217,072
Accounts receivable, net of allowance for doubtful accounts of $1,235 and $1,238 as of April 30, 2018 and January 31, 2018, respectively	32,475	46,872
Deferred commissions	13,155	11,820
Prepaid expenses and other current assets	9,101	5,884
Total current assets	325,719	343,550
Property and equipment, net	63,335	59,557
Goodwill	1,700	1,700
Acquired intangible assets, net	1,406	1,627
Deferred tax assets	323	326
Other assets	7,744	8,436
Total assets	400,227	415,196
Current liabilities:
Accounts payable	1,429	2,261
Accrued compensation and benefits	14,773	17,433
Other accrued liabilities	8,518	8,423
Deferred revenue	119,936	114,500
Total current liabilities	144,656	142,617
Deferred rent, non-current	1,397	925
Deferred tax liability, non-current	19	18
Deferred revenue, non-current	21,909	22,930
Other liabilities, non-current	59,739	55,213
Total liabilities	227,720	221,703
Commitments and contingencies (Note 4)
Stockholders’ equity:
Additional paid-in capital	646,973	638,680
Treasury stock, 99,371 shares (repurchased at an average of $13.27 per share) as of April 30, 2018 and January 31, 2018	(1,319)	(1,319)
Accumulated other comprehensive loss	(274)	(159)
Accumulated deficit	(472,924)	(443,760)
Total stockholders’ equity	172,507	193,493
Total liabilities and stockholders’ equity	400,227	415,196
Class A Common Stock
Stockholders’ equity:
Common stock	24	13
Class B Common Stock
Stockholders’ equity:
Common stock	$ 27	$ 38