Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating activities
Net income	$ 44,038	$ 30,105	$ 20,636
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	9,670	9,515	9,433
Stock-based compensation	6,568	5,319	4,173
Provision for inventory write-downs	3,092	2,237	2,572
Provision (benefit) for deferred income taxes	(451)	783	(182)
Loss on divestitures	0	485	1,954
Provision for credit losses	813	344	637
Fair value adjustments to contingent consideration obligations	134	(78)	(108)
Foreign currency transaction effect on income	362	(705)	(315)
Changes in operating assets and liabilities:
Accounts receivable	(6,418)	(3,135)	(3,533)
Inventory and other deferred costs	(10,574)	(9,794)	(7,418)
Prepaid expenses and other assets	(2,331)	(2,924)	(3,096)
Accounts payable and other liabilities	(779)	4,599	645
Net cash provided by operating activities	44,124	36,751	25,378
Investing activities
Purchases of short-term marketable securities	(277,938)	(16,551)	(8,000)
Purchases of property and equipment	(6,962)	(7,265)	(3,229)
Payments related to acquisitions	0	(899)	0
Proceeds from sale of building	0	0	858
Proceeds from sales of marketable securities	84,780	0	0
Net cash used in investing activities	(200,120)	(24,715)	(10,371)
Financing activities
Proceeds from issuance of convertible senior notes, net of issuance costs paid of $3,234	169,266	0	0
Costs paid related to issuance of convertible senior notes	(3,234)
Common stock cash dividend paid	(14,378)	(12,448)	(10,988)
Proceeds from issuance of common stock	6,440	6,170	3,466
Purchase of treasury stock for net settlement of equity awards	(1,719)	(853)	(642)
Payment of deferred acquisition consideration	0	0	(1,070)
Net cash provided by (used in) financing activities	158,102	(7,131)	(9,234)
Effect of exchange rate changes on cash and cash equivalents	(765)	230	(494)
Net increase in cash and cash equivalents	1,341	5,135	5,279
Cash and cash equivalents at beginning of year	24,269	19,134	13,855
Cash and cash equivalents at end of year	25,610	24,269	19,134
Convertible Senior Notes [Member]
Financing activities
Costs paid related to issuance of convertible senior notes	(1,507)	0	0
Building [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of building	0	0	(115)
PPE Excluding Building [Member]
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of building	$ 0	$ 0	$ 95