CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,194	$ 2,787
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	510	520
Operating Right Of Use Lease Liabilities Net	483	576
Provision for inventory losses	162	36
Provision for doubtful accounts	74	21
Gain (Loss) on Disposition of Assets	(37)	0
Charge related to stock-based compensation	216	292
Deferred income taxes	142	(132)
Changes in operating assets and liabilities:
Accounts receivable	(113)	663
Income tax receivable	471	(1,024)
Inventories	(960)	(1,429)
Prepaid expenses and other current assets	(171)	257
Deferred commissions	123	(31)
Other assets	660	(1,166)
Accounts payable	39	1,403
Accrued expenses	(1,316)	(1,636)
Increase (Decrease) in Other Operating Liabilities	(858)	(99)
Taxes payable	(149)	(243)
Commissions and incentives payable	806	505
Deferred revenue	316	807
Net cash provided by operating activities	2,666	2,107
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(124)	(232)
Proceeds from Sale of Productive Assets	0	0
Net cash used in investing activities	(124)	(232)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of common stock	(350)	(86)
Payment of cash dividends	(333)	(300)
Repayment of other notes payable and finance lease obligations	(362)	(458)
Net cash used in financing activities	(1,045)	(844)
Effect of currency exchange rate changes on cash and cash equivalents	(1,348)	(1,606)
Net (decrease) increase in cash, cash equivalents, and restricted cash	149	(575)
Cash, cash equivalents, and restricted cash at the beginning of the period	27,497	31,000
Cash, cash equivalents, and restricted cash at the end of the period	27,646	30,425
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	32	0
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	0	47
Interest Paid, Excluding Capitalized Interest, Operating Activities	9	19
Income Taxes Paid, Net	$ 19	$ 362