Note 6 - Goodwill and Intangibles (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Goodwill [Table Text Block]

	2017		2016
Balance at the beginning of period	$	13,110,913	$	3,222,688
Goodwill from acquisition of Guaranty Bank		15,223,179		-
Goodwill from acquisition of CSB		-		9,888,225
Balance at the end of period	$	28,334,092	$	13,110,913

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

	2017			2016
Balance at the beginning of the period	$	7,381,213		$	1,471,410
Core deposit intangible from acquisition of Guaranty Bank		2,698,301			-
Core deposit intangible from acquisition of CSB		-			6,352,653
Amortization expense		(1,000,561	)		(442,850	)
Balance at the end of the period	$	9,078,953		$	7,381,213
Gross carrying amount	$	11,046,081		$	8,347,780
Accumulated amortization		(1,967,128	)		(966,567	)
Net book value	$	9,078,953		$	7,381,213

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

Years ending December 31,	Amount
2018	$	1,218,202
2019		1,196,331
2020		1,169,934
2021		1,139,012
2022		1,103,565
Thereafter		3,251,909
	$	9,078,953