Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2015	Apr. 30, 2014
Cash flows from operating activities:
Net loss	$ (1,686)	$ (1,558)
Reconciliation of net loss to net cash provided by operating activities:
Depreciation	661	947
Amortization of intangible assets	1,512	1,538
Loss on disposal of equipment		199
Provision for doubtful accounts, net of recoveries	(67)	163
Deferred tax liability	86	142
Stock based compensation expense	141	165
(Gain) loss from change in fair value of common stock warrant liability	(81)	72
Changes in operating assets and liabilities:
Accounts receivable	2,806	3,774
Prepaid expenses and other current assets	7	195
Other assets	49	263
Accounts payable	308	65
Accrued compensation and related expenses	(316)	(1,512)
Other accrued liabilities	(90)	108
Deferred revenue	(1,226)	107
Other long term liabilities	(252)	(300)
Net cash provided by operating activities	1,852	4,368
Cash flows from investing activities:
Proceeds from assets held for sale		400
Proceeds from sale of property and equipment		4
Purchases of property and equipment	(472)	(269)
Net cash provided by (used in) investing activities	(472)	135
Cash flows from financing activities:
Payment of preferred stock dividends		(66)
Principal payments under debt obligations	(3,006)	(2,559)
Principal payments on capital leases	(126)	(159)
Net cash used in financing activities	(3,132)	(2,784)
Net (decrease) increase in cash	(1,752)	1,719
Cash, beginning of year	7,178	5,459
Cash, end of year	5,426	7,178
Supplemental cash flow information:
Cash paid for interest	615	1,142
Cash (received) paid for income taxes	$ (3)	$ 182