Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities
Net income	$ 36,814	$ 18,059
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	10,274	7,076
Amortization of debt issuance costs	11	11
Amortization of right of use assets	29	67
(Recoveries of) provision for credit losses on accounts receivable, net of adjustments	(56)	288
Provision for excess and obsolete inventories, net of write-offs	221	220
Share-based compensation	3,519	3,112
Loss (gain) on disposal of assets	6	(2)
Foreign currency transaction gain	(2)	(9)
Interest income on note receivable	(6)	(6)
Deferred	921	973
Changes in assets and liabilities:
Accounts receivable	(33,740)	(43,244)
Income taxes	5,262	3,631
Inventories	(861)	(16,041)
Contract assets	25	(4,252)
Prepaid expenses and other	(3,613)	(3,588)
Accounts payable	(16,318)	6,325
Contract liabilities	713	17,998
Extended warranties	777	68
Accrued liabilities and other long-term liabilities	847	2,511
Net cash provided by (used in) operating activities	4,823	(6,803)
Investing Activities
Capital expenditures	(28,935)	(14,031)
Cash paid in business combination, net of cash acquired	0	(249)
Proceeds from sale of property, plant and equipment	102	2
Principal payments from note receivable	14	14
Net cash used in investing activities	(28,819)	(14,264)
Financing Activities
Borrowings under revolving credit facility	105,172	25,000
Payments under revolving credit facility	(92,512)	0
Stock options exercised	15,856	2,890
Repurchase of stock	0	(3,278)
Employee taxes paid by withholding shares	(1,030)	(804)
Cash dividends paid to stockholders	6,459	0
Net cash provided by financing activities	21,027	23,808
Net (decrease) increase in cash, cash equivalents and restricted cash	(2,969)	2,741
Cash, cash equivalents and restricted cash, beginning of period	5,949	3,487
Cash, cash equivalents and restricted cash, end of period	$ 2,980	$ 6,228