Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
Jul. 31, 2018	Jul. 31, 2017
Cash flows from operating activities:
Net earnings	$ 1,416	$ 1,192
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation	629	686
Bad debt provision	(44)	6
Share-based compensation expense	136	52
(Benefit) expense for deferred income tax	(11)	45
Change in assets and liabilities:
(Increase) decrease in receivables	(3,344)	6,248
Decrease (increase) in inventories	2,656	(2,066)
Decrease in accounts payable and other accrued expenses	(2,182)	(416)
Decrease in deferred revenue	(127)	(5,033)
Other, net	(1,958)	(184)
Net cash (used in) provided by operating activities	(2,829)	530
Cash flows from investing activities:
Capital expenditures	(610)	(435)
Net cash used in investing activities	(610)	(435)
Cash flows from financing activities:
Dividends paid	(465)	(406)
Proceeds from short-term borrowings	19,789	14,697
Repayments on short-term borrowings	(16,146)	(14,749)
Payments on long-term debt	(292)	(105)
Net proceeds from exercise of stock options	(30)	9
Net cash provided by (used in) financing activities	2,856	(554)
Effect of exchange rate changes on cash	(288)	10
Decrease in cash and cash equivalents	(871)	(449)
Cash, cash equivalents and restricted cash, beginning of period	10,958	13,941
Cash, cash equivalents and restricted cash, end of period	$ 10,087	$ 13,492

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