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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
6 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Cash flows from operating activities:    
Net earnings $ 2,870 $ 2,957
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:    
Depreciation 1,263 1,403
Bad debt provision 20 45
Share-based compensation expense 275 178
Provision for deferred income taxes 143 50
Change in assets and liabilities:    
Decrease (increase) in receivables 2,855 (3,401)
Decrease (increase) in inventories 565 (1,504)
(Decrease) increase in accounts payable and other accrued expenses (4,202) 3,514
(Decrease) in deferred revenue (321) (4,300)
Other, net (1,167) (1,055)
Net cash provided by (used in) by operating activities 2,301 (2,113)
Cash flows from investing activities:    
Capital expenditures (1,311) (1,437)
Net cash used in investing activities (1,311) (1,437)
Cash flows from financing activities:    
Dividends paid (986) (868)
Dividends paid to holders of noncontrolling interest in subsidiaries   (74)
Proceeds from short-term borrowings 34,135 28,476
Repayments on short-term borrowings (33,362) (24,356)
Payments on long-term debt and lease obligations (583) (334)
Net proceeds from exercise of stock options (29) 8
Net cash (used in) provided by financing activities (825) 2,852
Effect of exchange rate changes on cash and cash equivalents (967) (59)
Decrease in cash, cash equivalents and restricted cash (802) (757)
Cash, cash equivalents and restricted cash, beginning of period 10,958 13,941
Cash, cash equivalents and restricted cash, end of period $ 10,156 $ 13,184