CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows from Operating Activities:
Net (loss) income	$ 1,383,000	$ (3,996,000)
Non-cash and other charges:
Depreciation and amortization	1,345,000	1,339,000
Amortization of other intangible assets	474,000	544,000
Amortization of operating lease assets	670,000	675,000
Amortization of debt issue costs	12,000	12,000
Amortization of consideration payable to a customer	202,000	202,000
Provision for losses on accounts receivable	19,000	47,000
Stock-based compensation	4,000	39,000
Restricted stock-based compensation	35,000	33,000
Forgiveness of PPP loan	(2,929,000)	0
Deferred income taxes	(267,000)	(771,000)
Loss on sale or disposal of fixed assets	33,000	22,000
Fair value adjustment of assets held for sale	40,000	0
Gain on lease obligation settlement	0	(31,000)
Impairment of goodwill and other intangible assets	0	1,612,000
Changes in operating assets and liabilities:
Accounts receivable	(1,007,000)	712,000
Inventories	(3,274,000)	3,384,000
Prepaid expenses and other current assets	248,000	(341,000)
Other assets	0	(32,000)
Accounts payable	1,406,000	708,000
Accrued compensation and benefits	711,000	(1,190,000)
Accrued other liabilities and other current liabilities	(14,000)	(239,000)
Operating lease liabilities	(665,000)	(702,000)
Other liabilities	(36,000)	(2,000)
Total adjustments	(2,993,000)	6,021,000
Net cash (used in) provided by operating activities	(1,610,000)	2,025,000
Cash Flows from Investing Activities:
Capital expenditures	(428,000)	(956,000)
Proceeds from sale of fixed asset	28,000	1,000
Net cash used in investing activities	(400,000)	(955,000)
Cash Flows from Financing Activities:
Dividend payments	0	(157,000)
Proceeds from exercise of stock options	0	3,000
Net proceeds (repayments) from short-term borrowings	1,921,000	(3,314,000)
Proceeds from PPP loan	0	2,929,000
Net cash provided by (used in) financing activities	1,921,000	(539,000)
Effect of exchange rate changes on cash	(26,000)	(3,000)
Net (decrease) increase in cash	(115,000)	528,000
Cash at beginning of period	904,000	380,000
Cash at end of period	789,000	908,000
Cash paid for:
Interest	25,000	109,000
Taxes	12,000	26,000
Cash paid for amounts included in the measurement of operating lease liabilities	6,000	5,000
Non-cash information:
Right of Use ("ROU") assets recognized for new operating lease liabilities	$ 320,000	$ 140,000