Note 4 - Loans Leases Receivable - Related Party Loans (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
LOANS/LEASES RECEIVABLE
Balance, beginning	$ 66,441,948	$ 61,608,976	$ 42,012,313
Net increase (decrease) due to change in related parties	41,797,001	11,926,759	19,945,960
Advances	43,453,609	13,090,798	4,806,616
Repayments	(26,196,333)	(20,184,585)	(5,155,913)
Balance, ending	$ 125,496,225	$ 66,441,948	$ 61,608,976