Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating activities
Net loss	$ (2,986)	$ (1,032)
Depreciation	203	607
Amortization of intangible assets		150
Amortization of right-of-use assets	261	354
Amortization of debt issuance cost		43
Amortization of imputed interest	(448)	(166)
Interest expense from PPP Loan	9
Deferred income tax expense		1,245
Non-cash cost of operating leases	622	619
Change in receivable reserves	(57)	3,093
Change in inventory reserves	(535)	361
Write down of inventory	546
Inventory write-off from flood damage		2,688
Gain on sale of subsidiary		(17,893)
Change in long term payables	4
Change in insurance receivable	1,705	(1,800)
(Gain) loss on investments	(968)	2,750
Accrued pension		114
Stock-based compensation	3	12
Other	3
Intangible asset impairment		83
Goodwill impairment		2,969
Foreign currency remeasurement gain		(100)
Changes in current operating assets and liabilities:
Accounts receivable	1,158	1,855
Inventories	2,139	(1,145)
Prepaid expenses and other assets	(692)	(543)
Income taxes	(501)	420
Accounts payable and accrued liabilities	(3,352)	(3)
Deferred revenue	(727)	(254)
Net cash used in operating activities	(3,613)	(5,573)
Investing activities
Additions to property, plant and equipment		(153)
Proceeds from sale of subsidiaries, net		39,923
Proceeds from sale of investments	2,436
Change in note receivable	194
Net cash provided by investing activities	2,630	39,770
Financing activities
Bank overdrafts	(374)	(1,439)
Borrowing under debt agreement		15,329
Funding from PPP Loan	1,404
Repayment of debt		(40,070)
Payment of debt issuance cost		(15)
Payment of deferred purchase price	(397)
Write-off of notes receivable		600
Principal repayments of financing leases	(296)	(635)
Net cash provided by/(used in) financing activities	337	(26,230)
(Decrease) increase in cash and cash equivalents	(646)	7,967
Effect of foreign exchange on cash and cash equivalents		35
Cash and cash equivalents
Beginning of period	8,213	211
End of period	7,567	8,213
Supplemental cash flow information:
Interest paid	28	1,106
Income taxes paid, net of refunds	$ 507	477
Non-cash investing and financing activities:
Securities received for sale of subsidiary		4,207
Notes receivable recognized upon Equity Transaction		$ 4,929