Note 2 - Allowance For Loan Losses: Troubled Debt Restructurings on Financing Receivables (Details)	3 Months Ended
Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)
Current 12 months
Financing Receivable, Modifications, Number of Contracts		4,001
Financing Receivable, Troubled Debt Restructuring, Premodification		$ 9,451,529
Financing Receivable, Troubled Debt Restructuring, Postmodification		$ 9,117,002
Current 12 months \| Cosumer Loans
Financing Receivable, Modifications, Number of Contracts	4,671	3,857
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 12,743,094	$ 8,985,852
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 12,277,683	$ 8,667,000
Current 12 months \| Real Estate Loans
Financing Receivable, Modifications, Number of Contracts	12	11
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 260,332	$ 99,411
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 258,509	$ 99,181
Current 12 months \| Sales Finance Contracts
Financing Receivable, Modifications, Number of Contracts	200	133
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 675,882	$ 366,266
Financing Receivable, Troubled Debt Restructuring, Postmodification	$ 649,115	$ 350,851
Previous 12 months
Financing Receivable, Modifications, Number of Contracts	1,693	1,394
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 2,948,893	$ 2,142,293
Previous 12 months \| Cosumer Loans
Financing Receivable, Modifications, Number of Contracts	1,618	1,359
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 2,772,445	$ 2,068,054
Previous 12 months \| Real Estate Loans
Financing Receivable, Modifications, Number of Contracts	0	0
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 0	$ 0
Previous 12 months \| Sales Finance Contracts
Financing Receivable, Modifications, Number of Contracts	75	35
Financing Receivable, Troubled Debt Restructuring, Premodification	$ 176,448	$ 74,239

Number of financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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