Note 2 - Allowance For Loan Losses: Schedule of Loans and Financing Receivable (Details) - USD ($)	Sep. 30, 2019	Sep. 30, 2018
Financing Receivable, before Allowance for Credit Loss	$ 795,961,852	$ 668,850,870
Financing Receivable, percent of portfolio	100.00%	100.00%
Financing Receivable, 3-months net charge-offs	$ 34,284,720	$ 26,382,742
Financing Receivable, percent net charge-offs	100.00%	100.00%
Cosumer Loans
Financing Receivable, before Allowance for Credit Loss	$ 692,024,520	$ 591,483,591
Financing Receivable, percent of portfolio	86.90%	88.40%
Financing Receivable, 3-months net charge-offs	$ 32,672,235	$ 25,432,686
Financing Receivable, percent net charge-offs	95.30%	96.40%
Real Estate Loans
Financing Receivable, before Allowance for Credit Loss	$ 35,394,803	$ 29,914,177
Financing Receivable, percent of portfolio	4.50%	4.50%
Financing Receivable, 3-months net charge-offs	$ 31,586	$ 14,646
Financing Receivable, percent net charge-offs	0.10%	0.10%
Sales Finance Contracts
Financing Receivable, before Allowance for Credit Loss	$ 68,542,529	$ 47,453,102
Financing Receivable, percent of portfolio	8.60%	7.10%
Financing Receivable, 3-months net charge-offs	$ 1,580,899	$ 935,410
Financing Receivable, percent net charge-offs	4.60%	3.50%