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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash flows from operating activities:    
Consolidated net loss $ (1,619) $ (246)
Adjustments to reconcile consolidated net loss to net cash provided by operating activities:    
Depreciation and amortization 2,922 3,374
Goodwill impairment 0 675
Stock-based compensation 836 796
Deferred income taxes (313) 175
Pension cost 335 440
Changes in operating assets and liabilities:    
Accounts receivable 1,216 (533)
Prepaid expenses and other current assets 1,056 (70)
Other assets 332 521
Accounts payable and accrued expenses (589) (779)
Accrued salaries, wages and related benefits (249) (1,020)
Income and other taxes 926 234
Net cash provided by operating activities 4,853 3,567
Cash flows from investing activities:    
Capital expenditures (1,769) (2,033)
Net cash used in investing activities (1,769) (2,033)
Cash flows from financing activities:    
Purchase of treasury stock (1,843)  
Payment of long-term obligations (1,038) (2,025)
Redemption of shares from non-controlling interest   (2)
Exercise of stock options 11  
Net cash used in financing activities (2,870) (2,027)
Effect of exchange rate changes on cash and cash equivalents (209) (45)
Net increase (decrease) in cash and cash equivalents 5 (538)
Cash and cash equivalents, beginning of period 10,869 11,407
Cash and cash equivalents, end of period 10,874 10,869
Supplemental disclosures of cash flow information:    
Cash paid for income taxes 962 680
Cash paid for operating leases 2,186 2,568
Common stock issued $ 11 0
Non cash redemption of non-controlling interest   $ (490)