Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents		$ 5,451	$ 2,859
Restricted cash		498	628
Accounts receivable, net of allowance for credit losses of $477 and $549, respectively		127,158	70,780
Income tax receivable		0	5,723
Inventories, net		198,939	130,270
Contract assets		15,151	5,749
Prepaid expenses and other		1,919	2,071
Total current assets		349,116	218,080
Property, plant and equipment:
Land		8,537	5,016
Buildings		169,156	135,861
Machinery and equipment		342,045	318,259
Furniture and fixtures		30,033	23,072
Total property, plant and equipment		549,771	482,208
Less: Accumulated depreciation		245,026	224,146
Property, plant and equipment, net		304,745	258,062
Intangible assets, net		64,606	70,121
Goodwill		81,892	85,727
Right of use assets		7,123	16,974
Other long-term assets		6,421	1,216
Total assets		813,903	650,180
Current liabilities:
Accounts payable		45,513	29,020
Accrued liabilities		78,630	50,206
Contract liabilities		21,424	7,542
Total current liabilities		145,567	86,768
Revolving credit facility, long-term		71,004	40,000
Deferred tax liabilities		18,661	31,993
Other long-term liabilities		11,508	18,843
New market tax credit obligation	[1]	6,449	6,406
Commitments and contingencies (Note 18)
Stockholders’ equity:
Preferred stock, $.001 par value, 5,000,000 shares authorized, no shares issued		0	0
Common stock, $.004 par value, 100,000,000 shares authorized, 53,425,184 and 52,527,985 issued and outstanding at December 31, 2022 and 2021, respectively		214	210
Additional paid-in capital		98,735	81,654
Retained earnings		461,765	384,306
Total stockholders’ equity		560,714	466,170
Total liabilities and stockholders’ equity		$ 813,903	$ 650,180

[1]      (a) Held by variable interest entities (Note 17)