Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2014	Apr. 30, 2013
Current assets:
Cash	$ 4,013	$ 5,459
Accounts receivable, net of allowances of $407 and $278, respectively	8,863	10,594
Prepaid expenses and other current assets	640	1,203
Assets held for sale		926
Total current assets	13,516	18,182
Property and equipment, net of accumulated depreciation of $4,714 and $5,526, respectively	1,244	1,934
Goodwill	11,706	11,706
Intangibles, net	5,998	7,152
Other assets	579	733
Total assets	33,043	39,707
Current liabilities:
Accounts payable	438	243
Current portion of long term debt	1,350	2,519
Accrued compensation and related expenses	1,635	2,697
Common stock warrant liability	255	204
Other accrued liabilities	1,003	863
Deferred revenue	7,186	8,449
Liabilities held for sale		526
Total current liabilities	11,867	15,501
Long term debt, net of current portion	13,959	15,170
Deferred tax liabilities, net	983	923
Other long term liabilities	1,207	1,429
Total liabilities	28,016	33,023
Commitments and contingencies
Stockholders' equity:
Preferred stock		2
Common stock	17	15
Additional paid-in capital	100,117	100,053
Accumulated other comprehensive income	280	280
Accumulated deficit	(95,387)	(93,666)
Total stockholders' equity	5,027	6,684
Total liabilities and stockholders' equity	$ 33,043	$ 39,707