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Consolidated Cash Flow Statements (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Apr. 05, 2020
Mar. 31, 2019
Cash flows from operating activities:    
Net loss $ (305) $ (3,036)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization 620 691
Stock-based compensation expense 94 111
Deferred loan costs recognized 4 4
Net gain on the sale of assets (154) 0
Provision for excess and obsolete inventory 40 37
Non-cash lease expense 288 164
Other noncash items 190 (86)
Contributions to pension plans (34) (10)
Changes in operating assets and liabilities:    
Accounts receivable (1,478) 758
Inventory 846 (2,486)
Other current assets (99) 473
Accounts payable 1,474 (1,187)
Accrued and other liabilities (772) 40
Net cash provided by (used in) operating activities 714 (4,527)
Cash flows from investing activities:    
Capital expenditures, net (453) (348)
Proceeds from sale of assets 288 0
Net cash used in investing activities (165) (348)
Cash flows from financing activities:    
Principal payments on finance lease obligations (143) (146)
Indirect repurchase of shares of minimum statutory tax withholdings (7) (49)
Net cash used in financing activities (150) (195)
Effect of exchange rate changes on cash balances (288) 55
Net increase (decrease) in cash and cash equivalents 111 (5,015)
Cash and cash equivalents at beginning of period 5,095 10,704
Cash and cash equivalents at end of period $ 5,206 $ 5,689