CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jan. 31, 2016	Apr. 30, 2015
Current assets:
Cash and cash equivalents	$ 3,293	$ 9,357
Accounts receivable, net	2,105	1,060
Prepaid expenses and other current assets	414	346
Total current assets	5,812	10,763
Restricted cash	150	163
Property and equipment, net	514	452
Goodwill	669	669
Total assets	7,145	12,047
Current liabilities:
Accounts payable	1,515	1,414
Accrued liabilities	257	373
Deferred revenue	2,875	2,009
Total current liabilities	4,647	3,796
Other non-current liabilities	239	192
Total liabilities	$ 4,886	$ 3,988
Commitments and Contingencies
Stockholders' equity:
Common stock, $.001 par value; 200,000,000 shares authorized; 8,963,590 shares issued and 8,702,237 shares outstanding as of January 31, 2016 and April 30, 2015, respectively	$ 9	$ 9
Treasury stock, at cost, 269,686 common shares as of January 31, 2016 and April 30, 2015	(1,252)	(1,252)
Additional paid-in capital	63,394	61,322
Accumulated deficit	(59,892)	(52,020)
Total stockholders' equity	2,259	8,059
Total liabilities and stockholders' equity	$ 7,145	$ 12,047