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 4 - Loans - Major Classifications (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018
Loans Receivable, Gross	$ 396,473		$ 369,381
Net Deferred loan fees and costs	(80)		(206)
Allowance for loan losses	(4,095)	$ (3,909)	(3,788)	$ (3,569)	$ (3,538)	$ (3,422)
Net Loans	392,298		365,387
Commercial Portfolio Segment [Member]
Loans Receivable, Gross	76,307		80,453
Allowance for loan losses	(766)	(649)	(660)	(622)	(602)	(586)
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses	(2,652)	(2,645)	(2,575)	(2,397)	(2,378)	(2,277)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans Receivable, Gross	16,226		16,120
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Loans Receivable, Gross	216,224		195,269
Residential Portfolio Segment [Member]
Allowance for loan losses	(615)	(550)	(494)	(496)	(507)	(499)
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Loans Receivable, Gross	4,730		1,931
Residential Portfolio Segment [Member] \| Residential Real Estate Owner Occupied Loans [Member]
Loans Receivable, Gross	61,424		55,941
Residential Portfolio Segment [Member] \| Residential Real Estate Non-owner Occupied Loans [Member]
Loans Receivable, Gross	15,101		14,517
Consumer Portfolio Segment [Member]
Loans Receivable, Gross	6,461		5,150
Allowance for loan losses	$ (62)	$ (65)	$ (59)	$ (54)	$ (51)	$ (60)