Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2015	Apr. 30, 2015
Current assets:
Cash and cash equivalents	$ 58,072	$ 54,041
Short-term investments	51,942	52,730
Accounts receivable, net of allowance for doubtful accounts of $3,738 and $3,992 as of October 31, 2015 and April 30, 2015, respectively	37,529	49,532
Prepaid expenses and other current assets	7,595	12,977
Total current assets	155,138	169,280
Property, equipment and capitalized internal-use software development costs, net	25,330	19,054
Goodwill	139,155	139,155
Acquired intangible assets, net	10,552	11,498
Other non-current assets	4,784	3,974
Total assets	334,959	342,961
Current liabilities:
Accounts payable	7,543	3,539
Accrued expenses and other current liabilities	21,304	27,397
Deferred revenue	56,735	60,400
Total current liabilities	85,582	91,336
Long-term liabilities:
Revolving line of credit	57,000	57,000
Deferred revenue less current portion	2,346	2,530
Other liabilities, long-term	3,693	712
Total liabilities	$ 148,621	$ 151,578
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock – $0.0001 par value; 150,000,000 shares authorized, 81,523,084 shares issued and 81,323,084 shares outstanding as of October 31, 2015; 150,000,000 shares authorized, 80,346,488 shares issued and 80,146,488 shares outstanding at April 30, 2015	$ 8	$ 8
Treasury stock, at cost – 200,000 shares as of October 31, 2015 and April 30, 2015	0	0
Additional paid-in capital	428,632	418,509
Accumulated other comprehensive loss	(710)	(638)
Accumulated deficit	(241,592)	(226,496)
Total stockholders’ equity	186,338	191,383
Total liabilities and stockholders’ equity	$ 334,959	$ 342,961