Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Apr. 02, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 75,625	$ 70,711
Marketable securities	29,013	24,863
Accounts receivable, net	42,179	71,024
Inventories:
Finished goods	34,754	36,249
Work in process	107,957	105,564
Raw materials	12,280	10,324
Inventory, net	154,991	152,137
Notes receivable, current	2,251	2,226
Other current assets	7,987	5,671
Total current assets	312,046	326,632
PROPERTY, PLANT AND EQUIPMENT	105,802	105,425
Less allowance for depreciation	64,842	63,634
Property, plant and equipment, net	40,960	41,791
GOODWILL	19,433	18,573
INTANGIBLE ASSETS, net	6,548	6,926
RIGHT-OF-USE LEASE ASSETS	10,562	10,731
DEFERRED INCOME TAXES	4,642	5,506
OTHER ASSETS	1,688	1,688
Assets	395,879	411,847
CURRENT LIABILITIES:
Accounts payable	35,882	34,604
Federal and state income taxes	4,946	2,552
Lease liabilities	540	577
Accrued liabilities	15,008	15,908
Total current liabilities	56,376	53,641
LEASE LIABILITIES - NON-CURRENT	10,021	10,154
Total liabilities	66,397	63,795
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	15,308	14,799
Retained earnings	318,564	338,071
Accumulated other comprehensive loss	(88)	(103)
Stockholders' Equity before Treasury Stock	341,225	360,208
Treasury stock, at cost	11,743	12,156
Total stockholders' equity	329,482	348,052
Liabilities and Equity	$ 395,879	$ 411,847