Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities
Net income	$ 9,214	$ 28,579
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,436	4,309
Deferred income taxes	(658)	(1,057)
Stock-based compensation expense	4,899	4,903
Provision for doubtful accounts	65	0
Provision for excess and obsolete inventory	950	875
Accretion of discounts and premiums on short-term and long-term investments	39	(618)
Unrealized currency loss (gain) on foreign denominated transactions	2,930	(752)
Mark-to-market adjustment on forward exchange contracts	479	(130)
Changes in operating assets and liabilities:
Accounts receivable	5,996	38,586
Inventories	(3,132)	(12,386)
Prepaid expenses and other current assets	(10,087)	1,311
Accounts payable and other current liabilities	(1,138)	(25,844)
Deferred revenue	1,627	1,106
Income taxes	2,878	2,194
Other assets and liabilities	(359)	(1,281)
Net cash provided by operating activities	18,139	39,795
Cash flows from investing activities
Expenditures for property, plant and equipment and capitalized software	(1,839)	(4,960)
Purchases of short-term and long-term investments	(160,696)	(252,495)
Maturities and sales of short-term investments	151,896	297,924
Net cash (used in) provided by investing activities	(10,639)	40,469
Cash flows from financing activities
Net settlement on restricted stock grants	(1,023)	(1,583)
Repurchase of common stock		(18,178)
Principal payments on finance lease obligation	(374)	(349)
Net cash used in financing activities	(1,397)	(20,110)
Effect of exchange rate changes on cash and cash equivalents	(724)	292
Net increase in cash, cash equivalents and restricted cash	5,379	60,446
Cash, cash equivalents and restricted cash at beginning of period	156,078	131,064
Cash, cash equivalents and restricted cash at end of period	$ 161,457	$ 191,510