Note 2 - Allowance for Credit Losses: Past Due Financing Receivables (Details) - USD ($)	Sep. 30, 2021	Dec. 31, 2020
Live Check Loans
Impaired Financing Receivable, Recorded Investment	$ 6,890,478	$ 5,750,729
Premier Loans
Impaired Financing Receivable, Recorded Investment	2,664,282	2,587,490
Other Consumer Loans
Impaired Financing Receivable, Recorded Investment	43,707,569	37,849,477
Real Estate Loans
Impaired Financing Receivable, Recorded Investment	2,603,372	2,163,706
Sales Finance Contracts
Impaired Financing Receivable, Recorded Investment	5,439,961	5,852,867
Impaired Financing Receivable, Recorded Investment	61,305,662	54,204,269
Financial Asset, 30 to 59 Days Past Due | Live Check Loans
Impaired Financing Receivable, Recorded Investment	2,865,249	1,998,538
Financial Asset, 30 to 59 Days Past Due | Premier Loans
Impaired Financing Receivable, Recorded Investment	1,015,540	895,722
Financial Asset, 30 to 59 Days Past Due | Other Consumer Loans
Impaired Financing Receivable, Recorded Investment	17,799,088	14,419,790
Financial Asset, 30 to 59 Days Past Due | Real Estate Loans
Impaired Financing Receivable, Recorded Investment	1,018,256	502,733
Financial Asset, 30 to 59 Days Past Due | Sales Finance Contracts
Impaired Financing Receivable, Recorded Investment	2,220,903	2,251,562
Financial Asset, 30 to 59 Days Past Due
Impaired Financing Receivable, Recorded Investment	24,919,036	20,068,345
Financial Asset, 60 to 89 Days Past Due | Live Check Loans
Impaired Financing Receivable, Recorded Investment	1,772,441	1,629,874
Financial Asset, 60 to 89 Days Past Due | Premier Loans
Impaired Financing Receivable, Recorded Investment	583,196	653,370
Financial Asset, 60 to 89 Days Past Due | Other Consumer Loans
Impaired Financing Receivable, Recorded Investment	9,156,036	8,496,082
Financial Asset, 60 to 89 Days Past Due | Real Estate Loans
Impaired Financing Receivable, Recorded Investment	331,706	223,007
Financial Asset, 60 to 89 Days Past Due | Sales Finance Contracts
Impaired Financing Receivable, Recorded Investment	1,307,237	1,340,620
Financial Asset, 60 to 89 Days Past Due
Impaired Financing Receivable, Recorded Investment	13,150,616	12,342,953
Financial Asset, Equal to or Greater than 90 Days Past Due | Live Check Loans
Impaired Financing Receivable, Recorded Investment	2,252,788	2,122,317
Financial Asset, Equal to or Greater than 90 Days Past Due | Premier Loans
Impaired Financing Receivable, Recorded Investment	1,065,546	1,038,398
Financial Asset, Equal to or Greater than 90 Days Past Due | Other Consumer Loans
Impaired Financing Receivable, Recorded Investment	16,752,445	14,933,605
Financial Asset, Equal to or Greater than 90 Days Past Due | Real Estate Loans
Impaired Financing Receivable, Recorded Investment	1,253,410	1,437,966
Financial Asset, Equal to or Greater than 90 Days Past Due | Sales Finance Contracts
Impaired Financing Receivable, Recorded Investment	1,911,821	2,260,685
Financial Asset, Equal to or Greater than 90 Days Past Due
Impaired Financing Receivable, Recorded Investment	$ 23,236,010	$ 21,792,971