Consolidated Statements of Changes In Shareholders' Equity (Unaudited) (Parentheticals) - USD ($)	9 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Unrealized loss on available for sale securities, tax effect	$ 0	$ 97,085
Unrealized gain on derivative transactions, tax effect	$ 0	$ (24,002)

Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
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