Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Note 3 - Loans - Major Classifications (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Jun. 30, 2016
Loans Receivable, Gross	$ 347,688		$ 318,765			$ 273,161
Net Deferred loan fees and costs	(226)		(256)			(294)
Allowance for loan losses	(3,656)	$ (3,569)	(3,422)	$ (3,323)	$ (3,225)	(3,086)	$ (3,566)
Net loans	343,806		315,087			269,781
Commercial Portfolio Segment [Member]
Loans Receivable, Gross	69,706		60,995			46,380
Allowance for loan losses	(622)	(622)	(586)	(559)	(555)	(518)	(505)
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses	(2,481)	(2,397)	(2,277)	(2,237)	(2,144)	(2,038)	(2,518)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans Receivable, Gross	11,250		5,394			5,604
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Loans Receivable, Gross	192,899		183,383			158,225
Residential Portfolio Segment [Member]
Allowance for loan losses	(503)	(496)	(499)	(478)	(461)	(473)	(402)
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Loans Receivable, Gross	1,950		1,171			1,988
Residential Portfolio Segment [Member] \| Residential Real Estate Owner Occupied Loans [Member]
Loans Receivable, Gross	52,844		47,433			41,411
Residential Portfolio Segment [Member] \| Residential Real Estate Non-owner Occupied Loans [Member]
Loans Receivable, Gross	15,044		15,516			14,415
Consumer Portfolio Segment [Member]
Loans Receivable, Gross	3,995		4,873			5,138
Allowance for loan losses	$ (50)	$ (54)	$ (60)	$ (49)	$ (65)	$ (57)	$ (141)