CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows from Operating Activities:
Net income	$ 5,798,000	$ 911,000
Non-cash charges:
Depreciation and amortization	1,148,000	1,020,000
Amortization of other intangible assets	514,000	531,000
Amortization of operating leased assets	363,000	0
Amortization of debt issue costs	18,000	71,000
Amortization of consideration payable to a customer	202,000	42,000
(Recovery of) provision for losses on accounts receivable - net	(60,000)	242,000
Stock-based compensation	89,000	169,000
Gain on sale of property and equipment	(7,817,000)	(6,000)
Restricted stock-based compensation	39,000	32,000
Deferred income taxes	332,000	292,000
Fair value increase in contingent consideration	0	86,000
Changes in operating assets and liabilities:
Accounts receivable	25,000	(2,914,000)
Inventories	(2,771,000)	(618,000)
Prepaid expenses and other current assets	(314,000)	185,000
Other assets	(1,000)	0
Accounts payable	600,000	582,000
Accrued compensation and benefits	(594,000)	73,000
Accrued other liabilities	915,000	(89,000)
Operating lease liabilities	(383,000)	0
Other liabilities	(16,000)	(15,000)
Total adjustments	(7,711,000)	(317,000)
Net cash (used in) provided by operating activities	(1,913,000)	594,000
Cash Flows from Investing Activities:
Capital expenditures	(1,240,000)	(1,757,000)
Payments of contingent consideration	(1,000,000)	0
Proceeds from disposal of property and equipment	8,767,000	25,000
Net cash provided by (used in) investing activities	6,527,000	(1,732,000)
Cash Flows from Financing Activities:
Dividend payments	(474,000)	(544,000)
Proceeds from exercise of stock options	0	737,000
Purchase of Class A common stock	(3,518,000)	(589,000)
Net (payment) proceeds from short-term borrowings	(307,000)	1,679,000
Proceeds from long-term debt	0	400,000
Repayments of long-term debt	(453,000)	(27,000)
Bank finance costs	(33,000)	(3,000)
Net cash (used in) provided by financing activities	(4,785,000)	1,653,000
Effect of exchange rate changes on cash	(19,000)	(27,000)
Net (decrease) increase in cash	(190,000)	488,000
Cash at beginning of period	999,000	1,241,000
Cash at end of period	809,000	1,729,000
Supplemental disclosures of cash flow information:
Interest	135,000	83,000
Income taxes	1,341,000	77,000
Cash paid for amounts included in the measurement of operating lease liabilities	26,000	0
Noncash information:
Right of Use ("ROU") assets recognized for new operating lease liabilities	2,500,000	0
Operating lease liability related to ROU assets recognized upon adoption of ASC 842	$ 418,000	$ 0