Note 3 - Loans and Allowance for Credit Losses - Recorded Investment by Risk Category (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025	Jun. 30, 2025
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	$ 904,057		$ 904,057		$ 813,458
Loans, Total, Write-offs	121	$ 353	384	$ 699
Commercial and Industrial [Member]
Loans, Year One	33,601		33,601		31,506
Loans, Year Two	28,754		28,754		13,729
Loans, Year Three	10,732		10,732		17,295
Loans, Year Four	12,979		12,979		17,004
Loans, Year Five	12,941		12,941		4,979
Loans, Prior	7,210		7,210		4,822
Loans, Revolving	47,191		47,191		24,087
Loans, Revolving Converted to Term	0		0		91
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	153,408		153,408		113,513
Loans, Year One, Write-offs			0		49
Loans, Year Two, Write-offs			7		40
Loans, Year Three, Write-offs			0		0
Loans, Year Four, Write-offs			0		0
Loans, Year Five, Write-offs			0		64
Loans, Prior, Write-offs			6		0
Loans, Loans, Revolving, Write-offs			0		0
Loans, Revolving Converted to Term, Write-offs			0		100
Loans, Total, Write-offs	6	186	13	250	253
Commercial and Industrial [Member] | Pass [Member]
Loans, Year One	33,601		33,601		31,506
Loans, Year Two	28,754		28,754		13,318
Loans, Year Three	10,711		10,711		17,215
Loans, Year Four	12,904		12,904		16,821
Loans, Year Five	12,825		12,825		4,604
Loans, Prior	6,767		6,767		4,677
Loans, Revolving	46,075		46,075		23,164
Loans, Revolving Converted to Term	0		0		91
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	151,637		151,637		111,396
Commercial and Industrial [Member] | Special Mention [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		411
Loans, Year Three	0		0		80
Loans, Year Four	75		75		183
Loans, Year Five	0		0		375
Loans, Prior	326		326		145
Loans, Revolving	877		877		923
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	1,278		1,278		2,117
Commercial and Industrial [Member] | Substandard [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	21		21		0
Loans, Year Four	0		0		0
Loans, Year Five	116		116		0
Loans, Prior	117		117		0
Loans, Revolving	239		239		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	493		493		0
Commercial and Industrial [Member] | Doubtful [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Land Development [Member]
Loans, Year One	3,176		3,176		4,922
Loans, Year Two	5,564		5,564		7,912
Loans, Year Three	6,270		6,270		1,950
Loans, Year Four	1,906		1,906		324
Loans, Year Five	303		303		332
Loans, Prior	604		604		494
Loans, Revolving					1,601
Financing Receivable, Excluding Accrued Interest, Net of Amortized Costs	(35)		(35)
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	17,788		17,788		17,535
Loans, Year One, Write-offs			0		0
Loans, Year Two, Write-offs			0		0
Loans, Year Three, Write-offs			0		0
Loans, Year Four, Write-offs			0		0
Loans, Year Five, Write-offs			0		0
Loans, Prior, Write-offs			0		0
Loans, Loans, Revolving, Write-offs			0		0
Loans, Revolving Converted to Term, Write-offs			0		0
Loans, Total, Write-offs	(0)	(0)	(0)	(0)	0
Land Development [Member] | Pass [Member]
Loans, Year One	3,176		3,176		4,922
Loans, Year Two	5,564		5,564		7,912
Loans, Year Three	6,270		6,270		1,950
Loans, Year Four	1,906		1,906		324
Loans, Year Five	303		303		332
Loans, Prior	604		604		494
Loans, Revolving					1,601
Financing Receivable, Excluding Accrued Interest, Net of Amortized Costs	(35)		(35)
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	17,788		17,788		17,535
Land Development [Member] | Special Mention [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Land Development [Member] | Substandard [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Land Development [Member] | Doubtful [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Residential Portfolio Segment [Member]
Loans, Year One	17,043		17,043		20,297
Loans, Year Two	23,044		23,044		18,547
Loans, Year Three	15,256		15,256		19,588
Loans, Year Four	17,673		17,673		27,590
Loans, Year Five	26,296		26,296		45,186
Loans, Prior	77,607		77,607		41,668
Loans, Revolving	30,629		30,629		28,663
Loans, Revolving Converted to Term	0		0		63
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	207,548		207,548		201,602
Loans, Year One, Write-offs			0		0
Loans, Year Two, Write-offs			0		0
Loans, Year Three, Write-offs			0		0
Loans, Year Four, Write-offs			0		0
Loans, Year Five, Write-offs			0		0
Loans, Prior, Write-offs			0		0
Loans, Loans, Revolving, Write-offs			0		0
Loans, Revolving Converted to Term, Write-offs			0		0
Loans, Total, Write-offs	(0)	(0)	(0)	(0)	0
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member]
Loans, Year One	17,043		17,043		20,297
Loans, Year Two	23,044		23,044		18,547
Loans, Year Three	15,256		15,256		19,403
Loans, Year Four	17,491		17,491		27,391
Loans, Year Five	26,123		26,123		45,186
Loans, Prior	77,576		77,576		41,453
Loans, Revolving	30,629		30,629		28,663
Loans, Revolving Converted to Term	0		0		63
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	207,162		207,162		201,003
Residential Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		185
Loans, Year Four	182		182		199
Loans, Year Five	173		173		0
Loans, Prior	31		31		215
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	386		386		599
Consumer Portfolio Segment [Member]
Loans, Year One	46,829		46,829		66,567
Loans, Year Two	51,250		51,250		20,500
Loans, Year Three	14,483		14,483		16,151
Loans, Year Four	10,424		10,424		6,979
Loans, Year Five	3,882		3,882		1,838
Loans, Prior	864		864		186
Loans, Revolving	0		0		95
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	127,732		127,732		112,316
Loans, Year One, Write-offs			17		49
Loans, Year Two, Write-offs			63		26
Loans, Year Three, Write-offs			23		199
Loans, Year Four, Write-offs			129		251
Loans, Year Five, Write-offs			111		19
Loans, Prior, Write-offs			28		2
Loans, Loans, Revolving, Write-offs			0		0
Loans, Revolving Converted to Term, Write-offs			0		0
Loans, Total, Write-offs	115	167	371	449	546
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]
Loans, Year One	46,829		46,829		66,567
Loans, Year Two	51,250		51,250		20,500
Loans, Year Three	14,483		14,483		16,079
Loans, Year Four	10,410		10,410		6,950
Loans, Year Five	3,875		3,875		1,838
Loans, Prior	864		864		186
Loans, Revolving	0		0		95
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	127,711		127,711		112,215
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		72
Loans, Year Four	14		14		29
Loans, Year Five	7		7		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	21		21		101
Commercial, Commercial Real Estate, Farmland and Land Development Segment [Member]
Loans, Year One	100,288		100,288		86,098
Loans, Year Two	82,362		82,362		60,994
Loans, Year Three	49,498		49,498		82,227
Loans, Year Four	73,142		73,142		68,078
Loans, Year Five	61,381		61,381		52,165
Loans, Prior	147,908		147,908		116,484
Loans, Revolving	53,949		53,949		33,276
Loans, Revolving Converted to Term	249		249		218
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	568,777		568,777		499,540
Commercial, Commercial Real Estate, Farmland and Land Development Segment [Member] | Pass [Member]
Loans, Year One	100,288		100,288		83,778
Loans, Year Two	80,010		80,010		53,001
Loans, Year Three	42,030		42,030		82,147
Loans, Year Four	73,067		73,067		67,895
Loans, Year Five	61,265		61,265		51,171
Loans, Prior	143,650		143,650		113,481
Loans, Revolving	52,611		52,611		31,942
Loans, Revolving Converted to Term	114		114		218
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	553,035		553,035		483,633
Commercial, Commercial Real Estate, Farmland and Land Development Segment [Member] | Special Mention [Member]
Loans, Year One	0		0		2,320
Loans, Year Two	2,352		2,352		7,993
Loans, Year Three	1,582		1,582		80
Loans, Year Four	75		75		183
Loans, Year Five	0		0		994
Loans, Prior	1,934		1,934		2,846
Loans, Revolving	912		912		1,334
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	6,855		6,855		15,750
Commercial, Commercial Real Estate, Farmland and Land Development Segment [Member] | Substandard [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	5,886		5,886		0
Loans, Year Four	0		0		0
Loans, Year Five	116		116		0
Loans, Prior	2,324		2,324		157
Loans, Revolving	426		426		0
Loans, Revolving Converted to Term	135		135		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	8,887		8,887		157
Commercial, Commercial Real Estate, Farmland and Land Development Segment [Member] | Doubtful [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Commercial Real Estate Portfolio Segment [Member]
Loans, Total, Write-offs	(0)	(0)	(0)	(0)
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loans [Member]
Loans, Year One	21,655		21,655		14,670
Loans, Year Two	13,470		13,470		23,624
Loans, Year Three	23,264		23,264		21,391
Loans, Year Four	17,556		17,556		26,435
Loans, Year Five	25,011		25,011		19,887
Loans, Prior	61,802		61,802		51,804
Loans, Revolving	3,805		3,805		4,863
Loans, Revolving Converted to Term	135		135		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	166,698		166,698		162,674
Loans, Year One, Write-offs			0		0
Loans, Year Two, Write-offs			0		0
Loans, Year Three, Write-offs			0		0
Loans, Year Four, Write-offs			0		0
Loans, Year Five, Write-offs			0		0
Loans, Prior, Write-offs			0		0
Loans, Loans, Revolving, Write-offs			0		0
Loans, Revolving Converted to Term, Write-offs			0		0
Loans, Total, Write-offs			0		0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied Loans [Member]
Loans, Year One	36,348		36,348		28,937
Loans, Year Two	25,054		25,054		13,970
Loans, Year Three	7,496		7,496		35,895
Loans, Year Four	35,136		35,136		18,667
Loans, Year Five	18,071		18,071		21,883
Loans, Prior	58,969		58,969		42,916
Loans, Revolving	1,961		1,961		1,500
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	183,035		183,035		163,768
Loans, Year One, Write-offs			0		0
Loans, Year Two, Write-offs			0		0
Loans, Year Three, Write-offs			0		0
Loans, Year Four, Write-offs			0		0
Loans, Year Five, Write-offs			0		0
Loans, Prior, Write-offs			0		0
Loans, Loans, Revolving, Write-offs			0		0
Loans, Revolving Converted to Term, Write-offs			0		0
Loans, Total, Write-offs			0		0
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] | Owner Occupied Loans [Member]
Loans, Year One	21,655		21,655		12,350
Loans, Year Two	11,118		11,118		16,042
Loans, Year Three	15,817		15,817		21,391
Loans, Year Four	17,556		17,556		26,435
Loans, Year Five	25,011		25,011		19,268
Loans, Prior	57,987		57,987		48,946
Loans, Revolving	3,583		3,583		4,452
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	152,727		152,727		148,884
Commercial Real Estate Portfolio Segment [Member] | Pass [Member] | Non-owner Occupied Loans [Member]
Loans, Year One	36,348		36,348		28,937
Loans, Year Two	25,054		25,054		13,970
Loans, Year Three	7,496		7,496		35,895
Loans, Year Four	35,136		35,136		18,667
Loans, Year Five	18,071		18,071		21,883
Loans, Prior	58,969		58,969		42,916
Loans, Revolving	1,961		1,961		1,500
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	183,035		183,035		163,768
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] | Owner Occupied Loans [Member]
Loans, Year One	0		0		2,320
Loans, Year Two	2,352		2,352		7,582
Loans, Year Three	1,582		1,582		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		619
Loans, Prior	1,608		1,608		2,701
Loans, Revolving	35		35		411
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	5,577		5,577		13,633
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member] | Non-owner Occupied Loans [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] | Owner Occupied Loans [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	5,865		5,865		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	2,207		2,207		157
Loans, Revolving	187		187		0
Loans, Revolving Converted to Term	135		135		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	8,394		8,394		157
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member] | Non-owner Occupied Loans [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member] | Owner Occupied Loans [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member] | Non-owner Occupied Loans [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Residential Real Estate and Consumer Segments [Member]
Loans, Year One	63,872		63,872		86,864
Loans, Year Two	74,294		74,294		39,047
Loans, Year Three	29,739		29,739		35,739
Loans, Year Four	28,097		28,097		34,569
Loans, Year Five	30,178		30,178		47,024
Loans, Prior	78,471		78,471		41,854
Loans, Revolving	30,629		30,629		28,758
Loans, Revolving Converted to Term	0		0		63
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	335,280		335,280		313,918
Residential Real Estate and Consumer Segments [Member] | Performing Financial Instruments [Member]
Loans, Year One	63,872		63,872		86,864
Loans, Year Two	74,294		74,294		39,047
Loans, Year Three	29,739		29,739		35,482
Loans, Year Four	27,901		27,901		34,341
Loans, Year Five	29,998		29,998		47,024
Loans, Prior	78,440		78,440		41,639
Loans, Revolving	30,629		30,629		28,758
Loans, Revolving Converted to Term	0		0		63
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	334,873		334,873		313,218
Residential Real Estate and Consumer Segments [Member] | Nonperforming Financial Instruments [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		257
Loans, Year Four	196		196		228
Loans, Year Five	180		180		0
Loans, Prior	31		31		215
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	407		407		700
Farmland [Member]
Loans, Year One	5,508		5,508		6,063
Loans, Year Two	9,520		9,520		1,759
Loans, Year Three	1,736		1,736		5,696
Loans, Year Four	5,565		5,565		5,648
Loans, Year Five	5,055		5,055		5,084
Loans, Prior	19,323		19,323		16,448
Loans, Revolving	1,027		1,027		1,225
Loans, Revolving Converted to Term	114		114		127
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	47,848		47,848		42,050
Loans, Year One, Write-offs			0		0
Loans, Year Two, Write-offs			0		0
Loans, Year Three, Write-offs			0		0
Loans, Year Four, Write-offs			0		0
Loans, Year Five, Write-offs			0		0
Loans, Prior, Write-offs			0		0
Loans, Loans, Revolving, Write-offs			0		0
Loans, Revolving Converted to Term, Write-offs			0		0
Loans, Total, Write-offs	(0)	$ (0)	(0)	$ (0)	0
Farmland [Member] | Pass [Member]
Loans, Year One	5,508		5,508		6,063
Loans, Year Two	9,520		9,520		1,759
Loans, Year Three	1,736		1,736		5,696
Loans, Year Four	5,565		5,565		5,648
Loans, Year Five	5,055		5,055		5,084
Loans, Prior	19,323		19,323		16,448
Loans, Revolving	1,027		1,027		1,225
Loans, Revolving Converted to Term	114		114		127
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	47,848		47,848		42,050
Farmland [Member] | Special Mention [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Farmland [Member] | Substandard [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	0		0		0
Farmland [Member] | Doubtful [Member]
Loans, Year One	0		0		0
Loans, Year Two	0		0		0
Loans, Year Three	0		0		0
Loans, Year Four	0		0		0
Loans, Year Five	0		0		0
Loans, Prior	0		0		0
Loans, Revolving	0		0		0
Loans, Revolving Converted to Term	0		0		0
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	$ 0		$ 0		$ 0