Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Cash flows from operating activities:
Net loss	$ (247)	$ (633)
Reconciliation of net loss to net cash provided by operating activities:
Depreciation	183	265
Amortization of intangible assets	384	385
Provision for doubtful accounts	108	118
Stock based compensation expense	27	53
Deferred tax liability	(4)	(40)
(Gain) loss from change in fair value of common stock warrant liability	(95)	99
Changes in operating assets and liabilities:
Accounts receivable	1,412	2,376
Prepaid expenses and other current assets	34	541
Other assets	35	47
Accounts payable	125	212
Accrued compensation and related expenses	(320)	(1,057)
Other accrued liabilities	(15)	(14)
Deferred revenue	(1,382)	(1,420)
Other long term liabilities	(20)	(47)
Net cash provided by operating activities	225	885
Cash flows from investing activities:
Proceeds from assets held for sale		400
Purchases of property and equipment	(33)	(3)
Net cash provided by (used in) investing activities	(33)	397
Cash flows from financing activities:
Principal payments under debt obligations	(2,251)	(1,641)
Principal payments on capital leases	(31)	(56)
Net cash used in financing activities	(2,282)	(1,697)
Net change in cash	(2,090)	(415)
Cash, beginning of year	7,178	5,459
Cash, end of period	5,088	5,044
Supplemental cash flow information:
Cash paid for interest	256	341
Cash paid for income taxes	$ 52	$ 14