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6 - Segment Information: Disaggregation of Revenue (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue	$ 32,873,002	$ 37,174,249
United States
Revenue	28,226,172	32,730,823
Foreign
Revenue	4,646,830	4,443,426
Automotive
Revenue	18,712,504	22,453,284
Nonautomotive
Revenue	14,160,498	14,720,965
Fastener
Revenue	28,989,667	33,712,458
Fastener | United States
Revenue	24,626,317	29,470,140
Fastener | Foreign
Revenue	4,363,350	4,242,318
Fastener | Automotive
Revenue	18,518,987	22,215,719
Fastener | Nonautomotive
Revenue	10,470,680	11,496,739
Assembly Equipment
Revenue	3,883,335	3,461,791
Assembly Equipment | United States
Revenue	3,599,855	3,260,683
Assembly Equipment | Foreign
Revenue	283,480	201,108
Assembly Equipment | Automotive
Revenue	193,517	237,565
Assembly Equipment | Nonautomotive
Revenue	$ 3,689,818	$ 3,224,226

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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