Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jul. 03, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 67,089	$ 109,805
Marketable securities	43,029	34,190
Accounts receivable, net	48,722	53,377
Inventories:
Finished goods	46,131	40,624
Work in process	100,218	92,437
Raw materials	9,849	10,800
Inventory, net	156,198	143,861
Notes receivable, current	2,266	2,330
Other current assets	6,655	4,490
Total current assets	323,959	348,053
PROPERTY, PLANT AND EQUIPMENT	98,875	98,573
Less allowance for depreciation	63,162	61,850
Property, plant and equipment, net	35,713	36,723
GOODWILL	15,317	15,317
INTANGIBLE ASSETS, net	2,517	2,624
RIGHT-OF-USE LEASE ASSETS	9,930	10,161
DEFERRED INCOME TAXES	4,665	4,642
OTHER ASSETS	1,881	2,878
Assets, Total	393,982	420,398
CURRENT LIABILITIES:
Accounts payable	27,811	32,759
Federal and state income taxes	3,082	3,163
Lease liabilities	527	546
Accrued liabilities	16,787	16,691
Total current liabilities	48,207	53,159
LEASE LIABILITIES - NON-CURRENT	9,403	9,616
Total liabilities	57,610	62,775
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Common stock, $1 par value: Authorized: 12,000,000 shares Issued: 7,440,518 shares (	7,441	7,441
Paid-in capital	14,374	13,743
Retained earnings	326,970	349,198
Accumulated other comprehensive income (loss)	(67)	20
Stockholders' Equity before Treasury Stock	348,718	370,402
Treasury stock, at cost	12,346	12,779
Total stockholders' equity	336,372	357,623
Liabilities and Equity, Total	$ 393,982	$ 420,398