Revenue: Disaggregation of Revenue (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue	$ 8,729,725	$ 9,197,696
UNITED STATES
Revenue	7,178,318	7,764,280
Non-US
Revenue	1,551,407	1,433,416
Automotive
Revenue	5,051,068	4,945,646
Nonautomotive
Revenue	3,678,657	4,252,050
Fastener
Revenue	7,856,813	8,153,833
Fastener | UNITED STATES
Revenue	6,391,747	6,760,129
Fastener | Non-US
Revenue	1,465,066	1,393,704
Fastener | Automotive
Revenue	5,006,190	4,904,183
Fastener | Nonautomotive
Revenue	2,850,623	3,249,650
Assembly Equipment
Revenue	872,912	1,043,863
Assembly Equipment | UNITED STATES
Revenue	786,571	1,004,151
Assembly Equipment | Non-US
Revenue	86,341	39,712
Assembly Equipment | Automotive
Revenue	44,878	41,463
Assembly Equipment | Nonautomotive
Revenue	$ 828,034	$ 1,002,400