CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2012
Cash Flows from Operating Activities
Net earnings	$ 4,003	$ 3,681	$ 1,800
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	2,549	2,653	2,664
Bad debt provision	116	34	214
Non-cash stock option expense	238	239	261
Provision (benefit) for deferred income tax expense	864	(526)	(1,539)
Change in assets and liabilities:
Decrease (increase) in receivables	2,295	(2,674)	4,663
Decrease (increase) in inventories	1,265	(1,443)	(1,294)
(Decrease) increase in accounts payable and other accrued expenses	(2,862)	2,604	(459)
Decrease in deferred revenue	(351)	(874)	(521)
Other, net	(48)	133	1,134
Net cash provided by operating activities	8,069	3,827	6,923
Cash Flows from Investing Activities
Capital expenditures	(2,021)	(2,405)	(1,435)
Decrease (increase) in restricted cash	323	13	(151)
Net cash used in investing activities	(1,698)	(2,392)	(1,586)
Cash Flows from Financing Activities
Dividends paid	(1,122)	(1,035)	(1,031)
Dividends paid to noncontrolling interest in subsidiaries	(38)	(744)
(Decrease) increase in short-term borrowings and interest rate swaps	(3,847)	181	228
Proceeds from long-term debt	5,000
Payments on capital leases		(36)	(83)
Payment toward purchase of noncontrolling interest in subsidiary	(1,780)
Payments on long-term debt	(3,854)	(200)	(200)
Net proceeds from exercise of stock options (including tax benefit)	92	116
Net cash used in financing activities	(5,549)	(1,718)	(1,086)
Effect of exchange rate changes on cash, net	(385)	(94)	(465)
Increase (Decrease) in Cash and Cash Equivalents	437	(377)	3,786
Cash and Cash Equivalents at Beginning of Year	5,811	6,188	2,402
Cash and Cash Equivalents at End of Year	6,248	5,811	6,188
Supplemental Disclosure of Cash Flow Information
Interest paid	413	374	444
Income taxes paid	2,585	1,722	418
Purchase of noncontrolling interest in subsidiary - Other accrued expenses and other non-current liabilities	$ 1,775