Revenue: Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue	$ 8,567,785	$ 8,555,731	$ 26,788,879	$ 26,225,070
UNITED STATES
Revenue	6,965,669	7,281,972	22,459,196	21,909,991
Non-US
Revenue	1,602,116	1,273,759	4,329,683	4,315,079
Automotive
Revenue	4,858,658	4,287,542	14,415,301	13,511,053
Nonautomotive
Revenue	3,709,127	4,268,189	12,373,578	12,714,017
Fastener
Revenue	7,805,622	7,552,619	24,019,067	22,843,341
Fastener | UNITED STATES
Revenue	6,268,813	6,300,067	19,825,721	18,589,576
Fastener | Non-US
Revenue	1,536,809	1,252,552	4,193,346	4,253,765
Fastener | Automotive
Revenue	4,813,646	4,259,544	14,268,638	13,410,100
Fastener | Nonautomotive
Revenue	2,991,976	3,293,075	9,750,429	9,433,241
Assembly Equipment
Revenue	762,163	1,003,112	2,769,812	3,381,729
Assembly Equipment | UNITED STATES
Revenue	696,856	981,905	2,633,475	3,320,415
Assembly Equipment | Non-US
Revenue	65,307	21,207	136,337	61,314
Assembly Equipment | Automotive
Revenue	45,012	27,998	146,663	100,953
Assembly Equipment | Nonautomotive
Revenue	$ 717,151	$ 975,114	$ 2,623,149	$ 3,280,776