Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2011
Cash flows from operating activities:
Net income (loss)	$ 532	$ (16,662)	$ (16,665)
Reconciliation of net income (loss) to net cash provided by operating activities:
Depreciation	1,123	1,086	830
Amortization of intangible assets	1,538	2,115	3,589
Loss on disposal of equipment	71
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	219
Interest added to long term debt principal		80	409
Stock based compensation expense	593	921	960
Impairments of goodwill and intangible assets		15,047	15,964
Change in fair value of contingent consideration			(164)
Gain from change in fair value of common stock warrant liability	(365)	(1,054)	(519)
Changes in operating assets and liabilities:
Accounts receivable	(234)	4,655	(3,988)
Prepaid expenses and other current assets	194	(738)	(168)
Other assets	388	144	229
Accounts payable	40	(983)	663
Accrued compensation and related expenses	256	(389)	569
Other accrued liabilities	118	(1,297)	100
Deferred revenue	724	240	(1,836)
Other long term liabilities	(37)	44	425
Net cash provided by operating activities	4,051	5,418	617
Cash flows from investing activities:
Acquisitions, net of cash acquired			(21,804)
Proceeds from sale of intangible trade name	1,000
Purchases of property and equipment	(322)	(1,132)	(852)
Net cash provided by (used in) investing activities	678	(1,132)	(22,656)
Cash flows from financing activities:
Proceeds from issuance of common stock		192	2
Proceeds from issuance of preferred stock, net of issuance costs		3,972
Payment of preferred stock dividends	(400)	(334)
Prepayment penalty on extinguishment of debt		(368)
Payments of loan costs		(623)	(1,233)
Payments on revolving line of credit		(3,950)	(1,900)
Borrowings on revolving line of credit		6,500	4,500
Borrowings on term loan		16,000	24,000
Principal payments under debt obligations	(3,217)	(24,989)	(1,408)
Principal payments on capital leases	(345)	(365)	(351)
Net cash provided by (used in) financing activities	(3,962)	(3,965)	23,610
Effect of exchange rate changes on cash and cash equivalents	(60)	(146)	(49)
Net increase (decrease) in cash and cash equivalents	707	175	1,522
Cash and cash equivalents, beginning of year	4,752	4,577	3,055
Cash and cash equivalents, end of year	5,459	4,752	4,577
Supplemental cash flow information:
Cash paid for interest	1,460	1,938	2,225
Cash paid for income taxes	244	150	473
Supplemental non-cash investing and financing activities:
Common stock issued in conjunction with acquisition			7,217
Common stock issued with conversion of convertible notes			6,274
Property and equipment acquired through leases		$ 544