Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 31, 2019

Accounting Policies [Abstract]

Property, plant and equipment

Property and equipment are recorded at cost and depreciated over their estimated useful lives using the straight-line method and the following estimated useful lives:

Property and Equipment	Estimated Useful Life
Computer and office equipment	Two to three years
Purchased software	Two to three years
Servers	Three years
Furniture and fixtures	Five years
Leasehold improvements	Lesser of estimated useful life or remaining lease term
Building	Forty years

Property and equipment, net consists of the following (in thousands):

	January 31, 2019			January 31, 2018
Servers	$	587		$	4,279
Furniture and fixtures	2,224			2,259
Computer and office equipment	174			175
Purchased software	985			887
Leasehold improvements	16,958			8,548
Construction in process	16			883
Building	56,161			54,709
Total property and equipment	77,105			71,740
Less: accumulated depreciation and amortization	(3,441		)	(12,183		)
Property and equipment, net	$	73,664		$	59,557

Schedule of new accounting pronouncements

The following tables present the impacts of adopting ASC 606 to the Company’s previously reported results on the selected consolidated statements of operations data, selected consolidated balance sheet data and selected consolidated statement of cash flow data (in thousands, except per share data):

Selected Consolidated Statement of Operations Data

	Year Ended January 31, 2018
	As Previously Reported			Impact of Adoption			As Adjusted
Revenue:
Subscription	$	141,490		$	10,363		$	151,853
Services	13,029			1,146			14,175
Total revenue	154,519			11,509			166,028
Cost of revenue:
Subscription	30,766			—			30,766
Services	12,093			—			12,093
Total cost of revenue	42,859			—			42,859
Gross profit	111,660			11,509			123,169
Operating expenses:
Sales and marketing	109,950			(877		)	109,073
Loss from operations	(97,267		)	12,386			(84,881		)
Net loss	(96,359		)	12,386			(83,973		)
Net loss per share, basic and diluted	$	(4.06	)	$	0.52		$	(3.54	)

	Year Ended January 31, 2017
	As Previously Reported			Impact of Adoption			As Adjusted
Revenue:
Subscription	$	91,235		$	12,798		$	104,033
Services	10,123			649			10,772
Total revenue	101,358			13,447			114,805
Cost of revenue:
Subscription	19,352			—			19,352
Services	10,515			—			10,515
Total cost of revenue	29,867			—			29,867
Gross profit	71,491			13,447			84,938
Operating expenses:
Sales and marketing	78,584			(3,171		)	75,413
Loss from operations	(85,947		)	16,618			(69,329		)
Net loss	(86,681		)	16,618			(70,063		)
Net loss per share, basic and diluted	$	(7.10	)	$	1.36		$	(5.74	)

Selected Consolidated Balance Sheet Data

	As of January 31, 2018
	As Previously Reported			Impact of Adoption			As Adjusted
Assets
Deferred commissions	$	11,820		$	(22	)	$	11,798
Accounts receivable, net	46,872			3,754			50,626
Other assets	8,436			13,916			22,352
Liabilities and Stockholders’ Equity
Deferred revenue, current	114,500			(30,085		)	84,415
Deferred revenue, non-current	22,930			(6,431		)	16,499
Accumulated deficit	(443,760		)	54,164			(389,596		)

Selected Consolidated Statement of Cash Flows Data

	Year ended January 31, 2018
	As Previously Reported			Impact of Adoption			As Adjusted
Cash flows from operating activities
Net loss	$	(96,359	)	$	12,386		$	(83,973	)
Adjustments to reconcile net loss to net cash used in operating activities
Change in operating assets and liabilities:
Accounts receivable, net	(15,901		)	(194		)	(16,095		)
Deferred commissions	(5,545		)	(877		)	(6,422		)
Deferred revenue	44,060			(11,322		)	32,738

	Year ended January 31, 2017
	As Previously Reported			Impact of Adoption			As Adjusted
Cash flows from operating activities
Net loss	$	(86,681	)	$	16,618		$	(70,063	)
Adjustments to reconcile net loss to net cash used in operating activities
Change in operating assets and liabilities:
Accounts receivable, net	(9,263		)	(2,541		)	(11,804		)
Deferred commissions	(6,019		)	(3,171		)	(9,190		)
Deferred revenue	35,834			(10,906		)	24,928