Revenue: Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue	$ 8,050,931	$ 9,023,398	$ 16,780,656	$ 18,221,094
UNITED STATES
Revenue	6,792,022	7,729,247	13,970,340	15,493,526
Non-US
Revenue	1,258,909	1,294,151	2,810,316	2,727,568
Automotive
Revenue	4,997,604	4,610,627	10,048,672	9,556,644
Nonautomotive
Revenue	3,053,327	4,412,771	6,731,984	8,664,450
Fastener
Revenue	7,361,113	8,059,612	15,217,926	16,213,445
Fastener | UNITED STATES
Revenue	6,137,476	6,796,779	12,529,223	13,556,908
Fastener | Non-US
Revenue	1,223,637	1,262,833	2,688,703	2,656,537
Fastener | Automotive
Revenue	4,959,381	4,550,809	9,965,571	9,454,992
Fastener | Nonautomotive
Revenue	2,401,732	3,508,803	5,252,355	6,758,453
Assembly Equipment
Revenue	689,818	963,786	1,562,730	2,007,649
Assembly Equipment | UNITED STATES
Revenue	654,546	932,468	1,441,117	1,936,618
Assembly Equipment | Non-US
Revenue	35,272	31,318	121,613	71,031
Assembly Equipment | Automotive
Revenue	38,223	59,818	83,101	101,652
Assembly Equipment | Nonautomotive
Revenue	$ 651,595	$ 903,968	$ 1,479,629	$ 1,905,997