CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Apr. 30, 2013
Current assets:
Cash and cash equivalents	$ 7,572	$ 9,561
Accounts receivable, net	1,462	500
Prepaid expenses and other current assets	219	315
Total current assets	9,253	10,376
Restricted cash	193	192
Property and equipment, net	387	414
Goodwill	669	669
Total assets	10,502	11,651
Current liabilities:
Accounts payable	982	1,204
Accrued liabilities	329	611
Deferred revenue	1,958	1,114
Total current liabilities	3,269	2,929
Warrant liability	3,094	1,046
Total liabilities	6,363	3,975
Commitments and contingencies
Redeemable common stock; $0.001 par value; 31,133,333 contingently puttable common shares outstanding as of October 31, 2013 and April 30, 2013	16,882	16,882
Stockholders' equity:
Common stock, $.001 par value; 125,000,000 shares authorized, including redeemable common stock, 38,970,003 and 38,955,003 shares issued and 35,733,767 and 35,718,767 shares outstanding as of October 31, 2013 and April 30, 2013, respectively	39	39
Treasury stock, at cost, 3,236,236 common shares as of October 31, 2013 and April 30, 2013	(1,252)	(1,252)
Additional paid-in capital	24,617	23,580
Accumulated deficit	(36,023)	(31,473)
Accumulated other comprehensive loss	(124)	(100)
Total stockholders' deficit	(12,743)	(9,206)
Total liabilities, redeemable common stock and stockholders' deficit	$ 10,502	$ 11,651