Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents		$ 287	$ 5,451
Restricted cash		8,736	498
Accounts receivable, net		138,108	127,158
Inventories, net		213,532	198,939
Contract assets		45,194	15,151
Prepaid expenses and other		3,097	1,919
Total current assets		408,954	349,116
Property, plant and equipment:
Land		15,438	8,537
Buildings		205,841	169,156
Machinery and equipment		391,366	342,045
Furniture and fixtures		40,787	30,033
Total property, plant and equipment		653,432	549,771
Less:  Accumulated depreciation		283,485	245,026
Property, plant and equipment, net		369,947	304,745
Intangible assets, net		68,053	64,606
Goodwill		81,892	81,892
Right of use assets		11,774	7,123
Other long-term assets		816	6,421
Total assets		941,436	813,903
Current liabilities:
Accounts payable		27,484	45,513
Accrued liabilities		85,508	78,630
Contract liabilities		13,757	21,424
Total current liabilities		126,749	145,567
Revolving credit facility, long-term		38,328	71,004
Deferred tax liabilities		12,134	18,661
Other long-term liabilities		16,807	11,508
New market tax credit obligation	[1]	12,194	6,449
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, 81,508,381 and 80,137,776 issued and outstanding at December 31, 2023 and 2022, respectively2		326	322
Additional paid-in capital		122,063	98,735
Retained earnings		612,835	461,657
Total stockholders’ equity		735,224	560,714
Total liabilities and stockholders’ equity		$ 941,436	$ 813,903

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