Note 15 - Regulatory Capital Ratios (Tables)

12 Months Ended

Mar. 31, 2016

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)					(dollars in thousands)
March 31, 2016
Common equity tier 1 capital (to risk-weighted assets)	$	44,518		19.06	%	$	11,971		5.13	%	$	16,350		7.00	%	$	15,182		6.50	%
Total risk-based capital (to risk-weighted assets)		46,262		19.81	%		20,146		8.63	%		24,525		10.50	%		23,357		10.00	%
Tier 1 capital (to risk-weighted assets)		44,518		19.06	%		15,474		6.63	%		19,854		8.50	%		18,686		8.00	%
Tier 1 capital (to adjusted total assets)		44,518		11.78	%		15,114		4.00	%		15,114		4.00	%		18,892		5.00	%
March 31, 2015
Common equity tier 1 capital (to risk-weighted assets)	$	44,187		24.37	%	$	8,160		4.50	%	$	12,694		7.00	%	$	11,787		6.50	%
Total risk-based capital (to risk-weighted assets)		45,910		25.32	%		14,508		8.00	%		19,041		10.50	%		18,134		10.00	%
Tier 1 capital (to risk-weighted assets)		44,187		24.37	%		10,881		6.00	%		15,414		8.50	%		14,508		8.00	%
Tier 1 capital (to adjusted total assets)		44,187		15.82	%		11,168		4.00	%		11,168		4.00	%		13,960		5.00	%