Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jan. 31, 2012	Jan. 31, 2011
Cash flows from operating activities:
Net loss	$ (931)	$ (793)
Reconciliation of net loss to net cash provided by (used in) operating activities:
Depreciation	796	627
Amortization of intangible assets	1,632	2,679
Loss on extinguishment of debt	2,166
Amortization of discount on notes payable	43	153
Interest added to long term debt principal	80	290
Stock based compensation expense	704	726
Change in fair value of contingent consideration		(164)
Gain from change in fair value of common stock warrant liability	(636)	(427)
Changes in operating assets and liabilities:
Accounts receivable	4,698	(3,534)
Prepaid expenses and other current assets	(213)	179
Other long term assets	46	158
Accounts payable	(983)	42
Accrued compensation and related expenses	(748)	55
Other accrued liabilities	(785)	239
Deferred revenue	41	(1,428)
Other long term liabilities	(59)	(4)
Net cash provided by (used in) operating activities	5,851	(1,202)
Cash flows from investing activities:
Acquisition, net of cash acquired		(21,804)
Purchases of property and equipment	(925)	(227)
Net cash used in investing activities	(925)	(22,031)
Cash flows from financing activities:
Prepayment penalty on extinguishment of debt	(368)
Proceeds from issuance of common stock	192
Proceeds from issuance of preferred stock	3,966
Payments of loan costs	(565)	(983)
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	(24,389)	(950)
Principal payments on capital leases	(262)	(279)
Net cash provided by (used in) financing activities	(2,876)	24,388
Effect of exchange rate changes on cash	(161)	(94)
Net increase in cash and cash equivalents	1,889	1,061
Cash and cash equivalents, beginning of period	4,577	3,055
Cash and cash equivalents, end of period	6,466	4,116
Supplemental cash flow information:
Interest	1,281	1,518
Taxes	94	428
Supplemental non-cash investing and financing activities:
Accrued preferred stock dividends	236
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