Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net income	$ 34,005	$ 36,991
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	16,300	14,924
Amortization of debt issuance costs	21	20
Amortization of right of use assets	143	0
Provision for credit losses on accounts receivable, net of adjustments	181	12
Provision for excess and obsolete inventories	148	292
Share-based compensation	6,908	5,793
Gain on disposal of assets	(12)	0
Foreign currency transaction (gain) loss	9	(11)
Interest income on note receivable	(11)	(19)
Deferred	(127)	2,747
Changes in assets and liabilities:
Accounts receivable	(53,736)	(5,936)
Income tax receivable	(1,895)	1,248
Inventories	(33,879)	(5,472)
Contract assets	(2,820)	0
Prepaid expenses and other	(3,066)	799
Accounts payable	6,490	10,650
Contract liabilities	22,217	0
Deferred revenue	421	574
Accrued liabilities and other long-term liabilities	7,123	300
Net cash (used in) provided by operating activities	(1,580)	62,912
Investing Activities
Capital expenditures	(27,227)	(33,157)
Cash paid for building (see Note 3)	(22,000)	0
Cash paid in business combination, net of cash acquired	(249)	0
Proceeds from sale of property, plant and equipment	12	2
Principal payments from note receivable	27	29
Net cash used in investing activities	(49,437)	(33,126)
Financing Activities
Borrowings under revolving credit facility	94,900	0
Payments under revolving credit facility	(28,651)	0
Principal payments on financing lease	(28)	0
Stock options exercised	6,385	11,848
Repurchase of stock	(5,912)	(10,271)
Employee taxes paid by withholding shares	(954)	(1,532)
Net cash provided by financing activities	65,740	45
Net increase in cash, cash equivalents and restricted cash	14,723	29,831
Cash, cash equivalents and restricted cash, beginning of period	3,487	82,288
Cash, cash equivalents and restricted cash, end of period	$ 18,210	$ 112,119