CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Operating Activities
Net income	$ 1,947,572	$ 607,313
Depreciation and amortization	1,876,124	1,814,749
Reduction in carrying amount of ROU assets	715,322	631,368
Unrecognized pension and postretirement benefits	445,218	880,421
Loss on sale of equipment and other assets	37,330	0
Provision for doubtful accounts	(23,000)	3,269
Stock compensation expense (benefit)	513,737	(49,246)
Changes in operating assets and liabilities:
Accounts receivable	(5,898,945)	(1,585,976)
Inventories	3,415,931	7,212,179
Prepaid expenses and other	(109,507)	(37,330)
Other assets	21,710	(155,055)
Accounts payable	3,601,059	(1,031,704)
Accrued compensation	(1,000,332)	(1,104,186)
Change in operating lease liability	(715,322)	(639,987)
Other accrued expenses	(1,248,705)	314,443
Net cash provided by operating activities	3,578,192	6,860,258
Investing Activities
Marketable securities	(999,960)	0
Payments received from notes receivable	0	2,233,192
Proceeds from sale of equipment	18,000	0
Purchases of property, plant, and equipment	(1,776,954)	(1,151,205)
Net cash (used in) provided by investing activities	(2,758,914)	1,081,987
Financing Activities
Payments on short term borrowings (revolver)	0	(268,249)
Principal payments on long-term debt	(792,467)	(4,858,000)
Financing leases, net	(31,236)	723,254
Purchase common stock for treasury	(234,800)	0
Dividends paid	(683,065)	(684,293)
Net cash used in financing activities	(1,741,568)	(5,087,288)
Effect of exchange rate changes on cash	(20,719)	28,538
Net change in cash and cash equivalents	(943,009)	2,883,495
Cash and cash equivalents at beginning of period	8,299,453
Cash and cash equivalents at end of period	7,356,444	13,071,017
Supplemental disclosure of cash flow information:
Interest	831,462	716,763
Income taxes	230,523	(59,681)
Non-cash investing and financing activities
Right of use asset	140,939	(652,914)
Lease liability	$ (140,939)	$ (328,721)