CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Revenue:
Total revenue	$ 42,967	$ 39,595	$ 124,685	$ 110,945
Cost of revenue:
Total cost of revenue	16,280	17,555	47,321	46,152
Gross profit	26,687	22,040	77,364	64,793
Operating expenses:
Sales and marketing	13,158	13,205	37,383	37,498
Research and development	8,955	10,639	26,851	29,118
General and administrative	5,096	5,136	15,346	15,416
Total operating expenses	27,209	28,980	79,580	82,032
Loss from operations	(522)	(6,940)	(2,216)	(17,239)
Interest and other income, net	109	128	370	666
Loss before income taxes	(413)	(6,812)	(1,846)	(16,573)
Income tax benefit		28		66
Net loss	$ (413)	$ (6,784)	$ (1,846)	$ (16,507)
Net loss per share of common stock:
Basic and diluted	$ (0.02)	$ (0.32)	$ (0.08)	$ (0.79)
Weighted-average shares of common stock outstanding:
Basic and diluted	22,531,047	21,274,285	22,222,659	20,872,253
Subscription and services
Revenue:
Total revenue	$ 39,633	$ 36,489	$ 115,749	$ 102,070
Cost of revenue:
Total cost of revenue	11,366	11,093	34,322	32,117
Product and other
Revenue:
Total revenue	3,334	3,106	8,936	8,875
Cost of revenue:
Total cost of revenue	$ 4,914	$ 6,462	$ 12,999	$ 14,035