Note 4 - Loans - Major Classifications (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Loans and Leases Receivable, Gross, Total	$ 544,473	$ 369,381
Net deferred loan fees and costs	(1,612)	(206)
Allowance for loan losses	(5,678)	(3,788)	$ (3,422)
Net loans	537,183	365,387
Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	158,667	80,453
Allowance for loan losses	(947)	(660)	(586)
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses	(3,623)	(2,575)	(2,277)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Gross, Total	16,235	16,120
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Loans and Leases Receivable, Gross, Total	229,029	195,269
Residential Portfolio Segment [Member]
Allowance for loan losses	(989)	(494)	(499)
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Gross, Total	9,344	1,931
Residential Portfolio Segment [Member] \| Residential Real Estate Owner Occupied Loans [Member]
Loans and Leases Receivable, Gross, Total	90,494	55,941
Residential Portfolio Segment [Member] \| Residential Real Estate Non-owner Occupied Loans [Member]
Loans and Leases Receivable, Gross, Total	19,370	14,517
Consumer Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	21,334	5,150
Allowance for loan losses	$ (119)	$ (59)	$ (60)

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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