Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents		$ 70,603	$ 26,797
Restricted Cash		7,998	17,576
Accounts receivable, net of allowance for credit losses of $546 and $353, respectively		62,195	67,399
Income tax receivable		3,914	772
Notes receivable		29	29
Inventories, net		78,819	73,601
Prepaid expenses and other		1,973	1,375
Total current assets		225,531	187,549
Property, plant and equipment:
Land		3,804	3,274
Buildings		115,600	101,113
Machinery and equipment		267,763	236,087
Furniture and fixtures		18,342	16,862
Total property, plant and equipment		405,509	357,336
Less: Accumulated depreciation		196,631	179,242
Property, plant and equipment, net		208,878	178,094
Intangible assets, net		97	272
Goodwill		3,229	3,229
Right of use assets		1,618	1,683
Note receivable		560	597
Total assets		439,913	371,424
Current liabilities:
Revolving credit facility		0	0
Accounts payable		16,038	11,759
Accrued liabilities		45,468	44,269
Total current liabilities		61,506	56,028
Deferred income taxes		22,973	15,297
Other long-term liabilities		4,191	3,639
New market tax credit obligation	[1]	6,351	6,320
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, 52,264,801 and 52,078,515 issued and outstanding at September 30, 2020 and December 31, 2019, respectively		209	208
Additional paid-in capital		8,175	3,631
Retained earnings		336,508	286,301
Total stockholders' equity		344,892	290,140
Total liabilities and stockholders' equity		$ 439,913	$ 371,424

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