Note 7 - Core Deposit Intangible (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	December 31,
	2017			2016
Gross carrying value	$	502,000		$	502,000
Less accumulated amortization		(281,336	)		(219,068	)
Total	$	220,664		$	282,932

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year one	$	48,556
Year two		39,057
Year three		35,443
Year four		35,443
Year five		35,443
Thereafter		26,722
Total	$	220,664