CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Apr. 30, 2014
Current assets:
Cash and cash equivalents	$ 575	$ 5,891
Accounts receivable, net	1,115	1,325
Prepaid expenses and other current assets	393	383
Total current assets	2,083	7,599
Restricted cash	164	165
Property and equipment, net	395	434
Goodwill	669	669
Total assets	3,311	8,867
Current liabilities:
Accounts payable	1,632	981
Accrued liabilities	546	587
Deferred revenue	1,760	2,091
Total current liabilities	3,938	3,659
Warrant liability	1,231	2,011
Total liabilities	5,169	5,670
Stockholders' (deficit) equity:
Common stock, $001 par value; 125,000,000 shares authorized, including redeemable common stock, 70,125,836 and 70,121,741 shares issued and 66,889,600 and 66,885,741 shares outstanding as of October 31, 2014 and April 30, 2014, respectively	70	70
Treasury stock, at cost, 3,236,236 common shares as of October 31, 2014 and April 30, 2014	(1,252)	(1,252)
Additional paid-in capital	44,888	43,259
Accumulated deficit	(45,564)	(38,880)
Total stockholders' (deficit) equity	(1,858)	3,197
Total liabilities and stockholders' (deficit) equity	$ 3,311	$ 8,867