Note 4 - Loans - Major Classifications (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Jun. 30, 2018
Loans Receivable, Gross	$ 383,948	$ 369,381
Net Deferred loan fees and costs	(128)	(206)
Allowance for loan losses	(3,909)	(3,788)	$ (3,538)	$ (3,422)
Net Loans	379,911	365,387
Commercial Portfolio Segment [Member]
Loans Receivable, Gross	81,782	80,453
Allowance for loan losses	(649)	(660)	(602)	(586)
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses	(2,645)	(2,575)	(2,378)	(2,277)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans Receivable, Gross	14,583	16,120
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Loans Receivable, Gross	205,214	195,269
Residential Portfolio Segment [Member]
Allowance for loan losses	(550)	(494)	(507)	(499)
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Loans Receivable, Gross	3,115	1,931
Residential Portfolio Segment [Member] \| Residential Real Estate Owner Occupied Loans [Member]
Loans Receivable, Gross	58,406	55,941
Residential Portfolio Segment [Member] \| Residential Real Estate Non-owner Occupied Loans [Member]
Loans Receivable, Gross	14,936	14,517
Consumer Portfolio Segment [Member]
Loans Receivable, Gross	5,912	5,150
Allowance for loan losses	$ (65)	$ (59)	$ (51)	$ (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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