Note 6 - Lessee Leases: Schedule of Lease costs recognized in Consolidated Statements of Operations (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Details
Operating lease cost included in cost of goods		$ 35,581	$ 51,440	$ 120,153	$ 142,535
Operating lease cost included in operating costs		13,846	14,410	41,965	42,698
Total operating lease cost	[1]	49,427	65,850	162,118	185,233
Amortization of lease assets		19,349	11,140	50,776	23,583
Interest on lease liabilities		4,719	3,061	12,689	5,211
Total finance lease cost		24,068	14,201	63,465	28,794
Short-term lease cost		5,980	8,570	23,920	25,310
Total lease cost		$ 79,475	$ 88,621	$ 249,503	$ 239,337

[1] Right of use asset amortization under operating agreements was $45,707 and $49,804 for the three months ended September 30, 2020 and 2019, respectively. Right of use asset amortization under operating agreements was $141,429 and $143,571 for the nine months ended September 30, 2020 and 2019, respectively.