Consolidated Balance Sheets - USD ($)	Dec. 31, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents	$ 17,663,000	$ 87,657,000
Marketable securities	5,010,000	26,454,000
Accounts receivable	62,506,000	49,323,000
Less allowance for credit losses	217,000	596,000
Accounts receivable, net	62,289,000	48,727,000
Inventories:
Finished goods	38,351,000	31,815,000
Work in process	219,154,000	144,684,000
Raw materials and supplies	20,494,000	13,921,000
Inventory, net	277,999,000	190,420,000
Notes receivable, current	600,000	1,629,000
Other current assets	3,100,000	5,223,000
Total current assets	366,661,000	360,110,000
PROPERTY, PLANT AND EQUIPMENT:
Land and land improvements	3,622,000	3,107,000
Buildings	57,581,000	52,182,000
Machinery and equipment	53,331,000	51,721,000
Property, Plant and Equipment, Gross	114,534,000	107,010,000
Less allowance for depreciation and amortization	71,297,000	67,774,000
Property, plant, and equipment, net	43,237,000	39,236,000
GOODWILL	19,433,000	19,433,000
INTANGIBLE ASSETS, net	3,777,000	5,290,000
RIGHT-OF-USE LEASE ASSETS	9,962,000	10,664,000
DEFERRED INCOME TAXES	10,327,000	5,803,000
Assets, total	453,397,000	440,536,000
CURRENT LIABILITIES:
Accounts payable	44,625,000	32,572,000
Federal and state income taxes	4,680,000	2,539,000
Lease liabilities	564,000	678,000
Accrued Liabilities, Current	24,567,000	36,230,000
Total current liabilities	74,436,000	72,019,000
LEASE LIABILITIES - NON-CURRENT	9,397,000	9,986,000
FEDERAL AND STATE INCOME TAXES - NON-CURRENT	1,937,000	2,275,000
Total liabilities	85,770,000	84,280,000
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Outstanding: 7,105,595 and 7,084,384 shares at December 31, 2024 and 2023, respectively	7,441,000	7,441,000
Paid-in capital	17,298,000	16,031,000
Retained earnings	353,659,000	344,245,000
Accumulated other comprehensive income	35,000	22,000
Stockholders' Equity before Treasury Stock	378,433,000	367,739,000
Less treasury stock, at cost, 334,923 and 356,134 shares at December 31, 2024 and 2023, respectively	10,806,000	11,483,000
Total stockholders' equity	367,627,000	356,256,000
Liabilities and Equity	$ 453,397,000	$ 440,536,000