Note 7 - Derivatives and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

Effective Date	Maturity Date	Balance Sheet Location	Notional Amount		Accounting Treatment	December 31, 2017 Fair Value		December 31, 2016 Fair Value
June 5, 2014	June 5, 2019	Other Assets	$	15,000,000	Cash Flow Hedging	$	190,085	$	179,939
June 5, 2014	June 5, 2021	Other Assets		15,000,000	Cash Flow Hedging		316,615		396,588
			$	30,000,000		$	506,700	$	576,527

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

	Year Ended
	December 31, 2017			December 31, 2016
Unrealized loss at beginning of period, net of tax	$	(932,156	)	$	(799,421	)
Amount reclassified from accumulated other comprehensive income to noninterest income related to hedge ineffectiveness		-			(76,797	)
Amount reclassified from accumulated other comprehensive income to noninterest expense related to hedge ineffectiveness		79,757			-
Amount reclassified from accumulated other comprehensive income to interest expense related to caplet amortization		405,134			152,087
Amount of loss recognized in other comprehensive income, net of tax		(357,762	)		(208,025	)
Unrealized loss at end of period, net of tax	$	(805,027	)	$	(932,156	)