Note 12 - Regulatory Matters (Tables)

12 Months Ended

Jun. 30, 2025

Notes Tables

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

		Actual								Minimum Capital Required – Basel III (1)								Minimum Required To Be Considered Well Capitalized
		Amount				Ratio				Amount				Ratio				Amount				Ratio
June 30, 2025
Common equity Tier 1 to risk-weighted assets		$	95.7				10.99	%		$	39.2				4.50	%		$	56.6				6.50	%
Tier 1 capital to risk weighted assets			95.7				10.99				52.2				6.00				69.6				8.00
Total capital to risk weighted assets			104.4				12.00				69.6				8.00				87.0				10.00
Tier 1 capital to average assets			95.7				8.23				46.5				4.00				58.1				5.00

		Actual								Minimum Capital Required - Basel III (1)								Minimum Required To Be Considered Well Capitalized
		Amount				Ratio				Amount				Ratio				Amount				Ratio
June 30, 2024
Common equity Tier 1 to risk-weighted assets		$	89.2				11.07	%		$	36.2				4.50	%		$	52.4				6.50	%
Tier 1 capital to risk weighted assets			89.2				11.07				48.3				6.00				64.4				8.00
Total capital to risk weighted assets			97.2				12.07				64.4				8.00				80.6				10.00
Tier 1 capital to average assets			89.2				7.98				44.7				4.00				55.9				5.00