Note 17 - Related Party Transactions - Schedule of Related Party Transactions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Fees and bonuses paid to directors during the period	$ 216,000	$ 216,000
Deposits from related parties held by the Bank at end of period	$ 1,755,885	$ 2,139,216