CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities:
Net (loss) income	$ (3,996,000)	$ 5,798,000
Non-cash and other charges:
Depreciation and amortization	1,339,000	1,148,000
Amortization of other intangible assets	544,000	514,000
Rent expense from lease obligations	675,000	363,000
Amortization of debt issue costs	12,000	18,000
Amortization of consideration payable to a customer	202,000	202,000
Provision for (recovery of) losses on accounts receivable	47,000	(60,000)
Stock-based compensation	39,000	89,000
Loss on sale of fixed assets	22,000
Gain on sale of property and equipment	0	(7,817,000)
Restricted stock-based compensation	33,000	39,000
Deferred income taxes	(771,000)	332,000
Gain on lease obligation settlement	(31,000)
Impairment of goodwill and other intangible assets	1,612,000	0
Changes in operating assets and liabilities:
Accounts receivable	712,000	25,000
Inventories	3,384,000	(2,771,000)
Prepaid expenses and other current assets	(341,000)	(314,000)
Other assets	(32,000)	(1,000)
Accounts payable	708,000	600,000
Accrued compensation and benefits	(1,190,000)	(594,000)
Accrued other liabilities and other current liabilities	(239,000)	607,000
Payments on lease liabilities	(702,000)	(383,000)
Other liabilities	(2,000)	(16,000)
Total adjustments	6,021,000	(8,019,000)
Net cash provided by (used in) operating activities	2,025,000	(2,221,000)
Cash Flows from Investing Activities:
Capital expenditures	(956,000)	(1,240,000)
Proceeds from disposal of property and equipment	1,000	8,767,000
Net cash (used in) provided by investing activities	(955,000)	7,527,000
Cash Flows from Financing Activities:
Dividend payments	(157,000)	(474,000)
Proceeds from exercise of stock options	3,000	0
Purchase of Class A common stock	0	(3,518,000)
Net payments relating to short-term borrowings	(3,314,000)	(307,000)
Payment of contingent consideration	0	(692,000)
Repayments of long-term debt	0	(453,000)
Bank finance costs	0	(33,000)
Proceeds from PPP loan	2,929,000	0
Net cash used in financing activities	(539,000)	(5,477,000)
Effect of exchange rate changes on cash	(3,000)	(19,000)
Net (decrease) increase in cash	528,000	(190,000)
Cash at beginning of period	380,000	999,000
Cash at end of period	908,000	809,000
Cash paid for:
Interest	109,000	135,000
Income taxes	26,000	1,341,000
Cash paid for amounts included in the measurement of operating lease liabilities	5,000	26,000
Non-cash information:
Right of Use ("ROU") assets recognized for new operating lease liabilities	140,000	2,500,000
Operating lease liability related to ROU assets recognized upon adoption of ASC 842	$ 0	$ 418,000