Description of Business and Significant Accounting Policies (Tables)

12 Months Ended

Jul. 31, 2016

Summary of Significant Customers Individually Exceeded 10% of Total Accounts Receivable or Total Revenue

The Company’s significant customers who individually exceeded 10% of total accounts receivable as of the dates shown or total revenue during the period are as follows:



	Revenue			Accounts Receivable
	Year Ended July 31,			As of July 31,
	2016	2015	2014	2016	2015
Customer A	*	*	15%	*	*
Customer B	*	*	*	11%	*
* Does not exceed 10%.

Summary of Accounts Receivable Allowance Activity

The following table summarizes the accounts receivable allowance activity:



	Year Ended July 31,
	2016			2015			2014
	(in thousands)
Balance at beginning of period	$	89		$	204		$	172
Additions	132			42			150
Write-offs, net of recoveries	(146		)	(157		)	(118		)
Balance at end of period	$	75		$	89		$	204

Schedule of Estimated Useful Lives of Property and Equipment

The estimated useful lives of property and equipment are as follows:



		Useful Life
Computer equipment and software		3 years
Furniture and fixtures		5 years
Leasehold improvements		Shorter of the lease term or estimated useful life