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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Aug. 02, 2020
Aug. 04, 2019
Cash flows from operating activities:    
Net (loss) income $ (2,733) $ 1,174
Adjustments to reconcile net (loss) income to net cash provided by operating activities:    
Depreciation 1,822 1,905
Amortization 118 176
Stock-based compensation 126 154
Deferred income taxes 3,693 (662)
Gain on disposal of equipment   (17)
Income from investment in unconsolidated joint venture (67) (13)
Foreign currency exchange loss (gain) 154 (47)
Changes in assets and liabilities:    
Accounts receivable (4,757) (375)
Inventories 7,592 (25)
Other current assets (1,254) 161
Other assets (24) 111
Accounts payable – trade 2,544 (1,468)
Deferred revenue 183 285
Accrued expenses and deferred compensation 2,377 222
Accrued restructuring costs   (82)
Income taxes 807 524
Net cash provided by operating activities 10,581 2,023
Cash flows from investing activities:    
Capital expenditures (500) (935)
Proceeds from the sale of equipment   209
Investment in unconsolidated joint venture (90)  
Proceeds from the sale of short-term investments (Held to Maturity) 350 5,000
Purchase of short-term and long-term investments (Held to Maturity) (423)  
Purchase of short-term investments (Available for Sale) (34)  
Proceeds from the sale of long-term investments (Rabbi Trust) 39  
Purchase of long-term investments (Rabbi Trust) (78) (259)
Net cash (used in) provided by investing activities (736) 4,015
Cash flows from financing activities:    
Payments associated with lines of credit (30,772)  
Payments associated with Paycheck Protection Program Loan (7,606)  
Dividends paid (1,291) (1,241)
Cash paid for acquisition of business   (763)
Proceeds from subordinated loan payable associated with the noncontrolling interest of discontinued operation   250
Capital contribution from noncontrolling interest associated with discontinued operation   40
Common stock surrendered for withholding taxes payable   (44)
Payments of debt issuance costs (15)  
Net cash used in financing activities (39,684) (1,758)
Effect of exchange rate changes on cash and cash equivalents 35 (52)
(Decrease) increase in cash and cash equivalents (29,804) 4,228
Cash and cash equivalents at beginning of period 69,790 40,008
Cash and cash equivalents at end of period $ 39,986 $ 44,236