Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 31, 2018

Accounting Policies [Abstract]

Schedules of Concentration of Revenue and Accounts Receivable

Partners or direct customers representing greater than 10% of the Company’s revenue and accounts receivable are as follows:

	Revenue for the Year Ended January 31,			Accounts Receivable as of January 31,
	2016	2017	2018	2017	2018
Partner A	*	*	26%	16%	26%

* Represents less than 10%.

Summary of Inventories by Major Category

The following is a summary of the Company’s inventories by major category (in thousands):

	As of January 31,
	2017		2018
Raw materials	$	264	$	132
Finished goods		6,245		7,362
	$	6,509	$	7,494