Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2010
Cash flows from operating activities:
Net income (loss)	$ (16,662)	$ (16,665)	$ 124
Reconciliation of net income (loss) to net cash provided by (used in) operating activities:
Depreciation	1,086	830	235
Amortization of intangible assets	2,115	3,589	2,398
Loss on extinguishment of debt	2,166
Amortization of discount on notes payable	43	219	28
Interest added to long term debt principal	80	409
Stock based compensation expense	921	960	629
Impairments of goodwill and intangible assets	15,047	15,964
Change in fair value of contingent consideration		(164)	(2,093)
Loss (gain) from change in fair value of common stock warrant liability	(1,054)	(519)	192
Changes in operating assets and liabilities:
Accounts receivable	4,655	(3,988)	(1,164)
Prepaid expenses and other current assets	(738)	(168)	647
Other assets	144	229	52
Valuation allowance from acquisition			(220)
Accounts payable	(983)	663	(1,804)
Accrued compensation and related expenses	(389)	569	(187)
Accrued acquisition costs			(76)
Other accrued liabilities	(1,297)	100	(2,420)
Deferred revenue	240	(1,836)	2,739
Other long term liabilities	44	425	(470)
Net cash provided by (used in) operating activities	5,418	617	(1,390)
Cash flows from investing activities:
Acquisition, net of cash acquired		(21,804)	19
Purchases of property and equipment	(1,132)	(852)	(36)
Net cash used in investing activities	(1,132)	(22,656)	(17)
Cash flows from financing activities:
Proceeds from issuance of common stock	192	2	13
Proceeds from issuance of preferred stock, net of issuance costs	3,972
Payment of preferred stock dividends	(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	350
Borrowings on term loan	16,000	24,000
Principal payments under debt obligations	(24,989)	(1,408)	(1,894)
Principal payments on capital leases	(365)	(351)	(46)
Net cash provided by (used in) financing activities	(3,965)	23,610	(1,577)
Effect of exchange rate changes on cash and cash equivalents	(146)	(49)	(108)
Net increase (decrease) in cash and cash equivalents	175	1,522	(3,092)
Cash and cash equivalents, beginning of year	4,577	3,055	6,147
Cash and cash equivalents, end of year	4,752	4,577	3,055
Supplemental cash flow information:
Cash paid for interest	1,938	2,225	112
Cash paid income taxes	150	473	79
Supplemental non-cash investing and financing activities:
Warrants converted into common stock			236
Common stock issued in conjunction with acquisition		7,217	8,853
Common stock issued with conversion of convertible notes		6,274	270
Property and equipment acquired through leases	$ 544