Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 31, 2017	Apr. 30, 2017
Current assets:
Cash and cash equivalents	$ 47,016	$ 52,494
Short-term investments	37,522	38,689
Accounts receivable, net of allowance for doubtful accounts of $1,037 and $1,260 as of July 31, 2017 and April 30, 2017, respectively	48,861	43,713
Prepaid expenses and other current assets	6,892	7,619
Total current assets	140,291	142,515
Property, equipment and capitalized internal-use software development costs, net	29,117	28,358
Goodwill	139,155	139,155
Acquired intangible assets, net	7,245	7,717
Other non-current assets	4,217	4,210
Total assets	320,025	321,955
Current liabilities:
Accounts payable	4,266	4,310
Accrued expenses and other current liabilities	17,492	20,602
Revolving line of credit	27,000	32,000
Deferred revenue	73,046	69,656
Total current liabilities	121,804	126,568
Long-term liabilities:
Deferred revenue less current portion	2,130	2,540
Other liabilities, long-term	7,273	6,542
Total liabilities	131,207	135,650
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock – $0.0001 par value; 150,000,000 shares authorized, 85,785,521 shares issued and 85,585,521 shares outstanding as of July 31, 2017; 150,000,000 shares authorized, 84,487,847 shares issued and 84,287,847 shares outstanding at April 30, 2017	8	8
Treasury stock, at cost – 200,000 shares as of July 31, 2017 and April 30, 2017	0	0
Additional paid-in capital	460,641	455,755
Accumulated other comprehensive loss	(1,413)	(1,682)
Accumulated deficit	(270,418)	(267,776)
Total stockholders’ equity	188,818	186,305
Total liabilities and stockholders’ equity	$ 320,025	$ 321,955