Segment Reporting: Schedule of Segment Reporting by Segment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Net sales	$ 8,729,725	$ 9,197,696
Depreciation	306,032	320,424
Accounts receivable - Less allowance of $160,000	6,173,074		$ 4,975,137
Inventories, net	9,998,952		9,121,230
Net property, plant and equipment	11,969,180		$ 11,861,793
Fastener
Net sales	7,856,813	8,153,833
Depreciation	272,636	281,841
Segment operating profit	(428,501)	835,507
Selling and Administrative Expenses	0	0
Interest income	0	0
Capital expenditures	336,066	112,864
Accounts receivable - Less allowance of $160,000	5,857,565	6,151,706
Inventories, net	8,566,031	8,299,454
Net property, plant and equipment	9,625,759	9,613,347
Other Assets	0	0
Assembly Equipment
Net sales	872,912	1,043,863
Depreciation	30,732	33,363
Segment operating profit	189,315	232,279
Selling and Administrative Expenses	0	0
Interest income	0	0
Capital expenditures	0	0
Accounts receivable - Less allowance of $160,000	315,509	486,705
Inventories, net	1,432,921	1,313,786
Net property, plant and equipment	1,272,765	1,400,542
Other Assets	0	0
Unallocated Corporate
Net sales	0	0
Depreciation	2,664	5,220
Segment operating profit	0	0
Selling and Administrative Expenses	(538,537)	(499,328)
Interest income	40,586	1,755
Capital expenditures	77,353	7,730
Accounts receivable - Less allowance of $160,000	0	0
Inventories, net	0	0
Net property, plant and equipment	1,070,656	1,260,145
Other Assets	$ 5,551,041	$ 4,440,615