CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities:
Net (loss) income	$ (3,139,000)	$ 5,662,000
Non-cash and other charges:
Depreciation and amortization	881,000	774,000
Amortization of other intangible assets	386,000	344,000
Rent expense from lease obligations	452,000	159,000
Amortization of debt issue costs	8,000	17,000
Amortization of consideration payable to a customer	135,000	135,000
Recovery of losses on accounts receivable	(7,000)	(61,000)
Stock-based compensation	29,000	62,000
Loss on sale of fixed assets	1,000	5,000
Gain on sale of property and equipment	0	(7,817,000)
Restricted stock-based compensation	25,000	26,000
Deferred income taxes	(656,000)	364,000
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	1,882,000	48,000
Inventories	1,206,000	(1,255,000)
Prepaid expenses and other current assets	(732,000)	(214,000)
Other assets	0	(5,000)
Accounts payable	1,332,000	149,000
Accrued compensation and benefits	(1,215,000)	(1,040,000)
Accrued other liabilities and other current liabilities	(477,000)	1,832,000
Payments on lease liabilities	(482,000)	(167,000)
Other liabilities	6,000	(8,000)
Total adjustments	4,355,000	(6,652,000)
Net cash provided by (used in) operating activities	1,216,000	(990,000)
Cash Flows from Investing Activities:
Capital expenditures	(915,000)	(920,000)
Proceeds from disposal of property and equipment	1,000	8,760,000
Net cash (used in) provided by investing activities	(914,000)	7,840,000
Cash Flows from Financing Activities:
Dividend payments	(157,000)	(317,000)
Proceeds from exercise of stock options	3,000	0
Purchase of Class A common stock	0	(3,467,000)
Net payments relating to short-term borrowings	(3,074,000)	(1,915,000)
Repayments of long-term debt	0	(453,000)
Bank finance costs	0	(25,000)
Proceeds from PPP loan	2,929,000	0
Net cash used in financing activities	(299,000)	(6,177,000)
Effect of exchange rate changes on cash	(15,000)	0
Net (decrease) increase in cash	(12,000)	673,000
Cash at beginning of period	380,000	999,000
Cash at end of period	368,000	1,672,000
Cash paid for:
Interest	97,000	112,000
Cash paid for amounts included in the measurement of operating lease liabilities	5,000	21,000
Non-cash information:
Right of Use ("ROU") assets recognized for new operating lease liabilities	140,000	2,074,000
Operating lease liability related to ROU assets recognized upon adoption of ASC 842	$ 0	$ 418,000