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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Operating activities    
Net income (loss) $ 1,625 $ (1,370)
Depreciation 413 616
Amortization of intangible assets 106 749
Amortization of right-of-use assets 285 265
Amortization of debt issuance cost 14 53
Deferred income tax expense (benefit) 184 (313)
Change in receivable reserves (55) (413)
Change in inventory reserves 143 182
Inventory write off from flood damage 3,313  
Gain on sale of subsidiary (4,207)  
Unrealized gain on short term investments 285  
Accrued pension   (1)
Stock-based compensation 7 146
Other   10
Foreign currency remeasurement loss   50
Changes in current operating assets and liabilities:    
Accounts receivable (1,707) (1,135)
Inventories (974) (4,517)
Insurance receivable (2,400)  
Prepaid expenses and other assets (284) (1,677)
Income taxes 433 (120)
Accounts payable and accrued liabilities 4,226 5,860
Net cash provided by (used in) operating activities 1,407 (1,615)
Investing activities    
Additions to property, plant and equipment (122) (188)
Net cash used in investing activities (122) (188)
Financing activities    
Bank overdrafts (144) 1,301
Short term borrowings   6,507
Borrowing under debt agreement 13,714 7,922
Repayment of debt (14,098) (13,785)
Payment of debt issuance cost   (28)
Principal repayments of financing leases (244) (248)
Net cash (used)/provided by financing activities (772) 1,669
Increase in cash and cash equivalents 513 (134)
Effect of foreign exchange on cash and cash equivalents (223) 231
Cash and cash equivalents    
Beginning of period 200 218
End of period $ 490 $ 315