Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ 157	$ (1,778)
Reconciliation of net income (loss) to net cash provided by operating activities:
Depreciation	278	230
Amortization of intangible assets	384	565
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	176	228
Gain from change in fair value of common stock warrant liability	(460)	(445)
Changes in operating assets and liabilities:
Accounts receivable	2,134	2,413
Prepaid expenses and other current assets	427	(154)
Other assets	49	73
Accounts payable	123	(87)
Accrued compensation and related expenses	(463)	(704)
Other accrued liabilities	(89)	(692)
Deferred revenue	(1,102)	(835)
Other long term liabilities	(35)	(120)
Net cash provided by operating activities	579	983
Cash flows from investing activities:
Proceeds from sale of intangible trade name	1,000
Purchases of property and equipment	(32)	(301)
Net cash provided by (used in) investing activities	968	(301)
Cash flows from financing activities:
Proceeds from issuance of common stock		92
Proceeds from issuance of preferred stock, net of issuance costs		3,966
Payment of preferred stock dividends	(66)
Prepayment penalty on extinguishment of debt		(368)
Payments of loan costs		(565)
Payments on revolving line of credit		(2,950)
Borrowings on revolving line of credit		6,500
Borrowings on term loan		16,000
Principal payments under debt obligations	(1,700)	(24,089)
Principal payments on capital leases	(98)	(74)
Net cash used in financing activities	(1,864)	(1,488)
Effect of exchange rate changes on cash and cash equivalents	(88)	(27)
Net decrease in cash and cash equivalents	(405)	(833)
Cash and cash equivalents, beginning of year	4,752	4,577
Cash and cash equivalents, end of year	4,347	3,744
Supplemental cash flow information:
Cash paid for interest	400	556
Cash paid for income taxes	131	119
Supplemental non-cash investing and financing activities:
Accrued preferred stock dividends	35	34
Property and equipment acquired through leases		$ 493