Consolidated Balance Sheets - USD ($) $ in Thousands		Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents		$ 13	$ 287
Restricted cash		12,065	8,736
Accounts receivable, net		149,149	138,108
Income tax receivable		4,969	0
Inventories, net		182,988	213,532
Contract assets		68,171	45,194
Prepaid expenses and other		5,740	3,097
Total current assets		423,095	408,954
Property, plant and equipment:
Land		16,018	15,438
Buildings		240,317	205,841
Machinery and equipment		403,664	391,366
Furniture and fixtures		41,128	40,787
Total property, plant and equipment		701,127	653,432
Less: Accumulated depreciation		287,893	283,485
Property, plant and equipment, net		413,234	369,947
Intangible assets, net		75,560	68,053
Goodwill		81,892	81,892
Right of use assets		16,086	11,774
Note receivable		849	816
Total assets		1,010,716	941,436
Current liabilities:
Accounts payable		28,958	27,484
Accrued liabilities		85,499	85,508
Contract liabilities		26,862	13,757
Total current liabilities		141,319	126,749
Revolving credit facility, long-term		85,884	38,328
Deferred tax liabilities		5,811	12,134
Other long-term liabilities		21,170	16,807
New markets tax credit obligations1	[1]	16,034	12,194
Commitments and contingencies
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 authorized2, 80,950,856 and 81,508,381 issued and outstanding at June 30, 2024 and December 31, 2023, respectively		324	326
Additional paid-in capital		49,174	122,063
Retained earnings		691,000	612,835
Total stockholders' equity		740,498	735,224
Total liabilities and stockholders' equity		$ 1,010,716	$ 941,436

[1] 1 Held by variable interest entities (Note 16)