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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Jul. 31, 2019
Jul. 31, 2018
Cash flows from operating activities:    
Net earnings $ 496 $ 1,498
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:    
Depreciation 644 629
Bad debt provision 36 (44)
Stock based compensation expense 74 136
Provision for deferred income taxes (16) (11)
Change in assets and liabilities:    
Receivables (3,008) (3,344)
Inventories 855 2,547
Accounts payable and other accrued expenses 835 (2,175)
Deferred revenue (76) (127)
Other, net (247) (1,938)
Net cash used in operating activities (407) (2,829)
Cash flows from investing activities:    
Capital expenditures (1,183) (610)
Net cash used in investing activities (1,183) (610)
Cash flows from financing activities:    
Dividends paid (522) (465)
Proceeds from short-term borrowings 16,650 19,789
Repayments on short-term borrowings (12,884) (16,146)
Payments on long-term debt and lease obligations (296) (292)
Net proceeds from exercise of stock options (14) (30)
Net cash provided by financing activities 2,934 2,856
Effect of exchange rate changes on cash and cash equivalents 81 (288)
Increase (decrease) in cash, cash equivalents and restricted cash 1,425 (871)
Cash, cash equivalents and restricted cash, beginning of period 11,156 10,958
Cash, cash equivalents and restricted cash, end of period $ 12,581 $ 10,087