Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 2,515	$ 5,451
Restricted Cash	465	498
Accounts receivable, net of allowance for credit losses of $421 and $477, respectively	160,954	127,158
Inventories, net	199,579	198,939
Contract assets	15,126	15,151
Prepaid expenses and other	5,540	1,919
Total current assets	384,179	349,116
Property, plant and equipment:
Land	8,904	8,537
Buildings	177,119	169,156
Machinery and equipment	360,628	342,045
Furniture and fixtures	31,868	30,033
Total property, plant and equipment	578,519	549,771
Less: Accumulated depreciation	253,953	245,026
Property, plant and equipment, net	324,566	304,745
Intangible assets, net	63,704	64,606
Goodwill	81,892	81,892
Right of use assets	7,166	7,123
Note receivable	6,407	6,421
Total assets	867,914	813,903
Current liabilities:
Accounts payable	29,561	45,513
Accrued liabilities	86,173	78,630
Contract liabilities	22,137	21,424
Total current liabilities	137,871	145,567
Revolving credit facility, long-term	83,664	71,004
Deferred tax liabilities	19,582	18,661
Other long-term liabilities	10,923	11,508
New market tax credit obligation (a)	6,460	6,449	[1]
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 authorized, 54,201,863 and 53,425,184 issued and outstanding at March 31, 2023 and December 31, 2022, respectively	217	214
Additional paid-in capital	117,077	98,735
Retained earnings	492,120	461,765
Total stockholders' equity	609,414	560,714
Total liabilities and stockholders' equity	$ 867,914	$ 813,903

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