Note 10 - Regulatory Capital Ratios (Tables)

3 Months Ended

Jun. 30, 2018

Notes Tables

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

	Actual					Minimum Capital Required - Basel III Phase-In Schedule					Minimum Capital Required - Basel III Fully Phased-In					To be well capitalized (1)
	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
	(dollars in thousands)
June 30, 2018
Common equity tier 1 capital (to risk-weighted assets)
Hamilton Bank	$	40,150		11.04	%	$	23,193		6.375	%	$	25,466		7.00	%	$	23,647		6.50	%
Hamilton Bancorp		48,320		13.24	%		23,582		6.375	%		25,894		7.00	%		24,044		6.50	%
Total risk-based capital (to risk-weighted assets)
Hamilton Bank		43,038		11.83	%		35,926		9.875	%		38,200		10.50	%		36,380		10.00	%
Hamilton Bancorp		51,208		14.03	%		36,529		9.875	%		38,841		10.50	%		36,992		10.00	%
Tier 1 capital (to risk-weighted assets)
Hamilton Bank		40,150		11.04	%		28,650		7.875	%		30,923		8.50	%		29,104		8.00	%
Hamilton Bancorp		48,320		13.24	%		29,131		7.875	%		31,443		8.50	%		29,593		8.00	%
Tier 1 capital (to adjusted total assets)
Hamilton Bank		40,150		7.82	%		20,528		4.000	%		20,528		4.00	%		25,660		5.00	%
Hamilton Bancorp		48,320		9.34	%		20,674		4.000	%		20,674		4.00	%		25,843		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	%