CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 16,416	$ 550
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for doubtful accounts	45	45
Depreciation and amortization	11,816	11,025
Noncash lease expense	4,417	4,657
Share-based compensation expense	4,893	2,901
Loss on disposal or sale of property and equipment	0	1,069
Deferred income taxes	(8,525)	6,603
Purchase of trading investment securities	0	(32)
Proceeds from sale of trading investment securities	97	134
Realized and unrealized (gains) losses on investments	(140)	160
Foreign exchange (gains) losses	(970)	917
Changes in operating assets and liabilities:
Accounts receivable	4,921	(5,942)
Inventories	995	(8,841)
Prepaid expenses and other	(683)	552
Other assets	679	159
Accounts payable	1,422	(2,803)
Accrued volume incentives and service fees	1,242	(329)
Accrued liabilities	6,991	(5,608)
Deferred revenue	(456)	(1,235)
Lease liabilities	(4,707)	(4,654)
Income taxes payable	2,627	1,426
Liability related to unrecognized tax positions	103	218
Deferred compensation payable	43	(262)
Net cash provided by operating activities	41,226	710
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(10,478)	(7,628)
Net cash used in investing activities	(10,478)	(7,628)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from revolving credit facility	16,294	45,005
Principal payments of revolving credit facility	(16,294)	(45,005)
Principal payments of long-term debt	(1,174)	(1,244)
Principal payments of borrowings from related party	0	(302)
Payments related to tax withholding for net-share settled equity awards	(385)	(1,129)
Repurchase of common stock	(6,397)	(13,571)
Net cash used in financing activities	(7,956)	(16,246)
Effect of exchange rates on cash and cash equivalents	(451)	(2,988)
Net increase (decrease) in cash and cash equivalents	22,341	(26,152)
Cash and cash equivalents at beginning of the year	60,032	86,184
Cash and cash equivalents at end of the year	82,373	60,032
Supplemental disclosure of cash flow information:
Cash paid for income taxes, net of refunds	9,264	5,609
Cash paid for interest	539	264
Supplemental disclosure of noncash investing, and financing activities:
Purchases of property, plant and equipment included in accounts payable and accrued liabilities	$ 590	$ 375