Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Oct. 02, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 61,784	$ 109,805
Marketable securities	43,710	34,190
Accounts receivable, net	46,052	53,377
Inventories:
Finished goods	58,989	40,624
Work in process	109,165	92,437
Raw materials	8,557	10,800
Inventory, net	176,711	143,861
Notes receivable, current	2,282	2,330
Other current assets	6,108	4,490
Total current assets	336,647	348,053
PROPERTY, PLANT AND EQUIPMENT	99,963	98,573
Less allowance for depreciation	63,825	61,850
Property, plant and equipment, net	36,138	36,723
GOODWILL	15,317	15,317
INTANGIBLE ASSETS, net	2,729	2,624
RIGHT-OF-USE LEASE ASSETS	10,899	10,161
DEFERRED INCOME TAXES	4,689	4,642
OTHER ASSETS	1,024	2,878
Assets, Total	407,443	420,398
CURRENT LIABILITIES:
Accounts payable	30,978	32,759
Federal and state income taxes	3,192	3,163
Lease liabilities	613	546
Accrued liabilities	16,849	16,691
Total current liabilities	51,632	53,159
LEASE LIABILITIES - NON-CURRENT	10,286	9,616
Total liabilities	61,918	62,775
STOCKHOLDERS' EQUITY
Common stock, $1 par value: Authorized: 12,000,000 shares Issued: 7,440,518 shares (	7,441	7,441
Paid-in capital	14,585	13,743
Retained earnings	335,897	349,198
Accumulated other comprehensive income (loss)	(156)	20
Stockholders' Equity before Treasury Stock	357,767	370,402
Treasury stock, at cost	12,242	12,779
Total stockholders' equity	345,525	357,623
Liabilities and Equity, Total	$ 407,443	$ 420,398