Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Oct. 31, 2011	Oct. 31, 2010
Cash flows from operating activities:
Net loss	$ (983)	$ (589)
Reconciliation of net loss to net cash provided by (used in) operating activities:
Depreciation	509	385
Amortization of intangible assets	1,123	1,943
Loss on extinguishment of debt	2,166
Amortization of discount on notes payable	43	89
Interest added to long term debt principal	80	167
Stock based compensation expense	473	487
Change in fair value of contingent consideration		(164)
Gain from change in fair value of common stock warrant liability	(602)	(667)
Changes in operating assets and liabilities:
Accounts receivable	4,356	(2,499)
Prepaid expenses and other current assets	(210)	308
Other long term assets	114	99
Accounts payable	(693)	590
Accrued compensation and related expenses	(883)	(440)
Other accrued liabilities	(820)	510
Deferred revenue	(1,365)	(2,552)
Other long term liabilities	(237)	(415)
Net cash provided by (used in) operating activities	3,071	(2,748)
Cash flows from investing activities:
Acquisition, net of cash acquired		(21,804)
Purchases of property and equipment	(608)	(94)
Net cash used in investing activities	(608)	(21,898)
Cash flows from financing activities:
Prepayment penalty on extinguishment of debt	(368)
Proceeds from issuance of common stock	148
Proceeds from issuance of preferred stock	3,966
Payments of loan costs	(565)	(983)
Payments on revolving line of credit	(2,950)	(1,100)
Borrowings on revolving line of credit	6,500	4,500
Borrowings on term loan	16,000	24,000
Principal payments under debt obligations	(24,089)	(697)
Principal payments on capital leases	(167)	(167)
Net cash provided by (used in) financing activities	(1,525)	25,553
Effect of exchange rate changes on cash	(42)	(90)
Net increase in cash and cash equivalents	896	817
Cash and cash equivalents, beginning of period	4,577	3,055
Cash and cash equivalents, end of period	5,473	3,872
Supplemental cash flow information:
Interest	984	770
Taxes	64	302
Supplemental non-cash investing and financing activities:
Accrued preferred stock dividends	135
Common stock issued in conjunction with acquisition		7,217
Common stock issued with conversion of convertible notes		6,276
Fixed assets acquired through capital leases	$ 493