CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jul. 31, 2014	Apr. 30, 2014
Current assets:
Cash and cash equivalents	$ 3,052	$ 5,891
Accounts receivable, net	925	1,325
Prepaid expenses and other current assets	456	383
Total current assets	4,433	7,599
Restricted cash	165	165
Property and equipment, net	411	434
Goodwill	669	669
Total assets	5,678	8,867
Current liabilities:
Accounts payable	1,328	981
Accrued liabilities	390	587
Deferred revenue	1,665	2,091
Total current liabilities	3,383	3,659
Warrant liability	1,856	2,011
Total liabilities	5,239	5,670
Common stock, $001 par value; 125,000,000 shares authorized; 70,121,741 shares issued and 66,885,741 shares outstanding as of July 31, 2014 and April 30, 2014	70	70
Treasury stock, at cost, 3,236,000 common shares as of July 31, 2014 and April 30, 2014	(1,252)	(1,252)
Additional paid-in capital	44,067	43,259
Accumulated deficit	(42,446)	(38,880)
Total stockholders' equity	439	3,197
Total liabilities and stockholders' equity	$ 5,678	$ 8,867