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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Operating activities    
Net loss $ (5,664) $ (9,225)
Depreciation 1,222 1,285
Amortization of intangible assets 1,460 1,774
Amortization of right-of-use assets 622 535
Amortization of debt issuance cost 75 205
Deferred income tax (benefit) expense (329) 2,201
Change in receivable reserves (350) 239
Change in inventory reserves 241 (102)
Inventory write off   2,642
Accrued pension (55) (8)
Stock-based compensation 165 466
Loss on disposition of fixed assets 21 40
Intangible asset impairment 1,350  
Goodwill impairment   1,445
Foreign currency remeasurement loss (gain) 42 (27)
Changes in current operating assets and liabilities:    
Accounts receivable (1,373) 2,594
Inventories (2,118) (1,975)
Prepaid expenses and other assets (708) (256)
Income taxes (93) (923)
Accounts payable and accrued liabilities 7,645 790
Net cash provided by operating activities 2,153 1,700
Investing activities    
Additions to property, plant and equipment (589) (1,450)
Proceeds from sale of fixed assets 762 22
Net cash provided by (used in) investing activities 173 (1,428)
Financing activities    
Bank overdrafts 699 (61)
Short term borrowings (5,430) 1,457
Borrowing under debt agreement 40,599 40,481
Repayment of debt (38,848) (40,993)
Payment of debt issuance cost (18) (61)
Net proceeds from the exercise of options for common stock   120
Principal repayments of financing leases (414) (301)
Net cash (used in) provided by financing activities (3,412) 642
(Decrease) Increase in cash and cash equivalents (1,086) 914
Effect of foreign exchange on cash and cash equivalents 1,079 (942)
Cash and cash equivalents    
Beginning of period 218 246
End of period 211 218
Supplemental cash flow information:    
Interest paid 2,603 2,087
Income taxes paid, net of refunds $ 587 $ 1,725