Note 2 - Allowance For Loan Losses: Past Due Financing Receivables (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Cosumer Loans
Financing Receivable, Recorded Investment, Past Due	$ 41,067,482	$ 42,971,194
Real Estate Loans
Financing Receivable, Recorded Investment, Past Due	2,672,186	2,432,820
Sales Finance Contracts
Financing Receivable, Recorded Investment, Past Due	2,005,136	1,972,227
Financing Receivable, Recorded Investment, Past Due	45,744,804	47,376,241
Financing Receivables, 30 to 59 Days Past Due | Cosumer Loans
Financing Receivable, Recorded Investment, Past Due	16,100,602	16,447,739
Financing Receivables, 30 to 59 Days Past Due | Real Estate Loans
Financing Receivable, Recorded Investment, Past Due	899,610	902,437
Financing Receivables, 30 to 59 Days Past Due | Sales Finance Contracts
Financing Receivable, Recorded Investment, Past Due	755,206	714,202
Financing Receivables, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due	17,755,418	18,064,378
Financing Receivables, 60 to 89 Days Past Due | Cosumer Loans
Financing Receivable, Recorded Investment, Past Due	8,079,807	9,233,306
Financing Receivables, 60 to 89 Days Past Due | Real Estate Loans
Financing Receivable, Recorded Investment, Past Due	389,071	304,578
Financing Receivables, 60 to 89 Days Past Due | Sales Finance Contracts
Financing Receivable, Recorded Investment, Past Due	345,121	443,464
Financing Receivables, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due	8,813,999	9,981,348
Financing Receivables, Equal to Greater than 90 Days Past Due | Cosumer Loans
Financing Receivable, Recorded Investment, Past Due	16,887,073	17,290,149
Financing Receivables, Equal to Greater than 90 Days Past Due | Real Estate Loans
Financing Receivable, Recorded Investment, Past Due	1,383,505	1,225,805
Financing Receivables, Equal to Greater than 90 Days Past Due | Sales Finance Contracts
Financing Receivable, Recorded Investment, Past Due	904,809	814,561
Financing Receivables, Equal to Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due	$ 19,175,389	$ 19,330,515