CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Flows from Operating Activities:
Net loss	$ (307,000)	$ (758,000)
Non-cash and other charges:
Depreciation and amortization	451,000	433,000
Amortization of other intangible assets	159,000	195,000
Amortization of operating lease assets	224,000	234,000
Amortization of debt issue costs	4,000	4,000
Amortization of consideration payable to a customer	67,000	67,000
Provision for losses on accounts receivable	47,000	15,000
Stock-based compensation	2,000	16,000
Restricted stock-based compensation	13,000	13,000
Deferred income taxes	(70,000)	(47,000)
Loss on disposal of fixed assets	2,000
Changes in operating assets and liabilities:
Accounts receivable	(2,113,000)	720,000
Inventories	(263,000)	524,000
Prepaid expenses and other current assets	335,000	(528,000)
Accounts payable	(483,000)	482,000
Accrued compensation and benefits	372,000	(894,000)
Accrued other liabilities and other current liabilities	(97,000)	(556,000)
Operating lease liabilities	(219,000)	(230,000)
Other liabilities	(20,000)	(6,000)
Total adjustments	(1,589,000)	442,000
Net cash used in operating activities	(1,896,000)	(316,000)
Cash Flows from Investing Activities:
Capital expenditures	(68,000)	(658,000)
Net cash used in investing activities	(68,000)	(658,000)
Cash Flows from Financing Activities:
Dividend payments	0	(157,000)
Proceeds from exercise of stock options	0	3,000
Net proceeds from short-term borrowings	2,107,000	1,284,000
Net cash provided by financing activities	2,107,000	1,130,000
Effect of exchange rate changes on cash	0	(5,000)
Net increase in cash	143,000	151,000
Cash at beginning of period	904,000	380,000
Cash at end of period	1,047,000	531,000
Cash paid for:
Interest	8,000	53,000
Cash paid for amounts included in the measurement of operating lease liabilities	2,000	0
Non-cash information:
Right of Use ("ROU") assets recognized for new operating lease liabilities	$ 23,000	$ 0