Note 6 - Goodwill and Other Intangible Asset (Tables)

6 Months Ended

Sep. 30, 2018

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

			Core deposit
	Goodwill		intangible
Balance April 1, 2017	$	8,563,530	$	739,298
Amortization		-		(63,032	)
Balance September 30, 2017		8,563,530		676,266

			Core deposit
	Goodwill		intangible
Balance April 1, 2018	$	8,563,530	$	613,234
Amortization		-		(63,033	)
Balance September 30, 2018	$	8,563,530	$	550,201

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

Year ending March 31,	Amount
2019		63,035
2020		123,737
2021		98,070
2022		98,070
2023		98,070
2024		64,177
2025		5,042
	$	550,201