Note 8 - Unrealized Losses on Securities (Tables)

6 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Unrealized Loss on Investments [Table Text Block]

	December 31, 2021
	Less Than Twelve Months					Twelve Months or Greater					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
	(Dollars in Thousands)
U.S. government securities	$	10,880	$	(72	)	$	-	$	-		$	10,880	$	(72	)
Corporate debt securities		37,074		(154	)		-		-			37,074		(154	)
Foreign debt securities​​3		14,330		(72	)		-		-			14,330		(72	)
Obligations of states and political subdivisions		461		(8	)		250		(5	)		711		(13	)
Collateralized mortgage obligations		34,105		(170	)		7,488		(76	)		41,593		(246	)
Total	$	96,850	$	(476	)	$	7,738	$	(81	)	$	104,588	$	(557	)

	June 30, 2021
	Less Than Twelve Months					Twelve Months or Greater					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
	(Dollars in Thousands)
U.S. government agency securities	$	3,214	$	(1	)	$	-	$	-		$	3,214	$	(1	)
Corporate debt securities		17,111		(7	)		-		-			17,111		(7	)
Foreign debt securities​3		10,929		(21	)		-		-			10,929		(21	)
Obligations of states and political subdivisions		725		(5	)		-		-			725		(5	)
Collateralized mortgage obligations		22,810		(42	)		10,407		(98	)		33,217		(140	)
Total	$	54,789	$	(76	)	$	10,407	$	(98	)	$	65,196	$	(174	)

Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]

	Three Months Ended				Six Months Ended
	December 31,				December 31,
	2021		2020		2021		2020
	(Dollars in Thousands)				(Dollars in Thousands)
Beginning balance	$	322	$	324	$	322	$	311
Initial credit impairment		-		-		-		-
Subsequent credit impairment		-		-		-		13
Reductions for amounts recognized in earnings due to intent or requirement to sell		-		-		-		-
Reductions for securities sold		-		-		-		-
Reduction for actual realized losses		-		-		-		-
Reduction for increase in cash flows expected to be collected		-		-		-		-
Ending balance	$	322	$	324	$	322	$	324