Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2016	Apr. 30, 2016
Current assets:
Cash and cash equivalents	$ 44,427	$ 43,963
Short-term investments	41,704	50,682
Accounts receivable, net of allowance for doubtful accounts of $1,563 and $2,362 as of October 31, 2016 and April 30, 2016, respectively	37,494	39,597
Prepaid expenses and other current assets	9,115	8,415
Total current assets	132,740	142,657
Property, equipment and capitalized internal-use software development costs, net	30,045	31,649
Goodwill	139,155	139,155
Acquired intangible assets, net	8,662	9,607
Other non-current assets	3,944	5,214
Total assets	314,546	328,282
Current liabilities:
Accounts payable	3,738	6,110
Accrued expenses and other current liabilities	18,538	23,167
Deferred revenue	62,719	62,735
Total current liabilities	84,995	92,012
Long-term liabilities:
Revolving line of credit	37,000	42,000
Deferred revenue less current portion	2,409	2,481
Other liabilities, long-term	6,871	7,255
Total liabilities	131,275	143,748
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock – $0.0001 par value; 150,000,000 shares authorized, 83,663,249 shares issued and 83,463,249 shares outstanding as of October 31, 2016; 150,000,000 shares authorized, 82,269,748 shares issued and 82,069,748 shares outstanding at April 30, 2016	8	8
Treasury stock, at cost – 200,000 shares as of October 31, 2016 and April 30, 2016	0	0
Additional paid-in capital	446,343	437,239
Accumulated other comprehensive loss	(2,006)	(878)
Accumulated deficit	(261,074)	(251,835)
Total stockholders’ equity	183,271	184,534
Total liabilities and stockholders’ equity	$ 314,546	$ 328,282