Note 10 - Regulatory Capital Ratios (Tables)

6 Months Ended

Sep. 30, 2018

Notes Tables

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

				Minimum Capital			Minimum Capital			To be well
	Actual			Required - Basel III			Required - Basel III			capitalized (1)
				Phase-In Schedule			Fully Phased-In
	Amount		Ratio	Amount		Ratio	Amount		Ratio	Amount		Ratio
	(dollars in thousands)
September 30, 2018
Common equity tier 1 capital (to risk-weighted assets)
Hamilton Bank	$	42,984	12.20%	$	22,469	6.375%	$	24,672	7.00%	$	22,910	6.50%
Hamilton Bancorp		49,116	13.89%		22,537	6.375%		24,747	7.00%		22,979	6.50%
Total risk-based capital (to risk-weighted assets)
Hamilton Bank		46,067	13.07%		34,805	9.875%		37,008	10.50%		35,245	10.00%
Hamilton Bancorp		52,199	14.77%		34,910	9.875%		37,120	10.50%		35,352	10.00%
Tier 1 capital (to risk-weighted assets)
Hamilton Bank		42,984	12.20%		27,756	7.875%		29,959	8.50%		28,196	8.00%
Hamilton Bancorp		49,116	13.89%		27,840	7.875%		30,049	8.50%		28,282	8.00%
Tier 1 capital (to adjusted total assets)
Hamilton Bank		42,984	8.61%		19,962	4.000%		19,962	4.00%		24,952	5.00%
Hamilton Bancorp		49,116	9.62%		20,415	4.000%		20,415	4.00%		25,519	5.00%
March 31, 2018
Common equity tier 1 capital (to risk-weighted assets)
Hamilton Bank	$	39,126	10.61%	$	23,498	6.375%	$	25,802	7.00%	$	23,959	6.50%
Hamilton Bancorp		47,308	12.79%		23,582	6.375%		25,894	7.00%		24,044	6.50%
Total risk-based capital (to risk-weighted assets)
Hamilton Bank		41,998	11.39%		36,399	9.875%		38,703	10.50%		36,860	10.00%
Hamilton Bancorp		50,180	13.57%		36,529	9.875%		38,841	10.50%		36,992	10.00%
Tier 1 capital (to risk-weighted assets)
Hamilton Bank		39,126	10.61%		29,027	7.875%		31,331	8.50%		29,488	8.00%
Hamilton Bancorp		47,308	12.79%		29,131	7.875%		31,443	8.50%		29,593	8.00%
Tier 1 capital (to adjusted total assets)
Hamilton Bank		39,126	7.64%		20,497	4.000%		20,497	4.00%		25,621	5.00%
Hamilton Bancorp		47,308	9.15%		20,674	4.000%		20,674	4.00%		25,843	5.00%