Note 2 - Allowance For Loan Losses: Past Due Financing Receivables (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Cosumer Loans
Financing Receivable, Past Due	$ 46,810,978	$ 46,988,147
Real Estate Loans
Financing Receivable, Past Due	2,510,741	2,234,988
Sales Finance Contracts
Financing Receivable, Past Due	2,695,888	2,963,036
Financing Receivable, Past Due	52,017,607	52,186,171
Financial Asset, 30 to 59 Days Past Due | Cosumer Loans
Financing Receivable, Past Due	17,237,680	17,186,773
Financial Asset, 30 to 59 Days Past Due | Real Estate Loans
Financing Receivable, Past Due	979,280	762,705
Financial Asset, 30 to 59 Days Past Due | Sales Finance Contracts
Financing Receivable, Past Due	942,058	1,197,338
Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Past Due	19,159,018	19,146,816
Financial Asset, 60 to 89 Days Past Due | Cosumer Loans
Financing Receivable, Past Due	9,466,855	9,540,549
Financial Asset, 60 to 89 Days Past Due | Real Estate Loans
Financing Receivable, Past Due	343,214	329,915
Financial Asset, 60 to 89 Days Past Due | Sales Finance Contracts
Financing Receivable, Past Due	428,392	572,552
Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Past Due	10,238,461	10,443,016
Financial Asset, Equal to or Greater than 90 Days Past Due | Cosumer Loans
Financing Receivable, Past Due	20,106,443	20,260,825
Financial Asset, Equal to or Greater than 90 Days Past Due | Real Estate Loans
Financing Receivable, Past Due	1,188,247	1,142,368
Financial Asset, Equal to or Greater than 90 Days Past Due | Sales Finance Contracts
Financing Receivable, Past Due	1,325,438	1,193,146
Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Past Due	$ 22,620,128	$ 22,596,339