Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income	$ 645	$ 745
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	301	254
Operating lease asset amortization	811	832
Stock-based compensation	340	183
Deferred income taxes	(1)	19
Changes in operating assets and liabilities:
Accounts receivable-trade	(69)	(65)
Inventory	366	(2,101)
Prepaid expenses	6	(321)
Other current assets	1	7
Accounts payable-trade	(938)	2,041
Accrued expenses and other liabilities	(477)	316
Income taxes, net	94	1,198
Other assets	48	0
Operating lease liabilities	(850)	(903)
Total adjustments	(368)	1,460
Net cash provided by operating activities	277	2,205
Cash flows from investing activities:
Purchase of property and equipment	(164)	(116)
Net cash used in investing activities	(164)	(116)
Cash flows from financing activities:
Payment of finance lease obligations	(4)	(3)
Repurchase of common stock	0	(1,675)
Net cash used in financing activities	(4)	(1,678)
Effect of exchange rate changes on cash and cash equivalents	71	21
Net increase in cash and cash equivalents	180	432
Cash and cash equivalents, beginning of period	10,155	10,329
Cash and cash equivalents, end of period	$ 10,335	$ 10,761