Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ (1,558)	$ 532	$ (16,662)
Reconciliation of net income (loss) to net cash provided by operating activities:
Depreciation	947	1,123	1,086
Amortization of intangible assets	1,538	1,538	2,115
Loss on disposal of equipment	(199)	(71)
Provision for doubtful accounts	163	123	3
Deferred tax liability	142	190	144
Loss on assets held for sale, net		110
Sale of intangible trade name		(1,000)
Loss on extinguishment of debt			2,166
Amortization of discount on notes payable			43
Interest added to long term debt principal			80
Stock based compensation expense	165	593	921
Impairments of goodwill and intangible assets			15,047
(Gain) loss from change in fair value of common stock warrant liability	72	(365)	(1,054)
Changes in operating assets and liabilities:
Accounts receivable	3,774	(357)	4,652
Prepaid expenses and other current assets	195	194	(738)
Other assets	263	388	144
Accounts payable	65	40	(983)
Accrued compensation and related expenses	(1,512)	256	(389)
Other accrued liabilities	108	118	(1,297)
Deferred revenue	107	724	240
Other long term liabilities	(300)	(227)	(100)
Net cash provided by operating activities	4,368	4,051	5,418
Cash flows from investing activities:
Proceeds from sale of intangible trade name		1,000
Proceeds from assets held for sale	400
Proceeds from sale of property and equipment	4
Purchases of property and equipment	(269)	(322)	(1,132)
Net cash provided by (used in) investing activities	135	678	(1,132)
Cash flows from financing activities:
Proceeds from issuance of common stock			192
Proceeds from issuance of preferred stock, net of issuance costs			3,972
Payment of preferred stock dividends	(66)	(400)	(334)
Prepayment penalty on extinguishment of debt			(368)
Payments of loan costs			(623)
Payments on revolving line of credit			(3,950)
Borrowings on revolving line of credit			6,500
Borrowings on term loan			16,000
Principal payments under debt obligations	(2,559)	(3,217)	(24,989)
Principal payments on capital leases	(159)	(345)	(365)
Net cash used in financing activities	(2,784)	(3,962)	(3,965)
Effect of exchange rate changes on cash		(60)	(146)
Net increase in cash	1,719	707	175
Cash, beginning of year	5,459	4,752	4,577
Cash, end of year	7,178	5,459	4,752
Supplemental cash flow information:
Cash paid for interest	1,142	1,460	1,938
Cash paid for income taxes	182	244	150
Supplemental non-cash investing and financing activities:
Property and equipment acquired through leases			$ 544