Note 9 - Loans (Detail) - Past-Due Loans In Thousands, unless otherwise specified	Sep. 30, 2012 USD ($)	Mar. 31, 2012 USD ($)	Sep. 30, 2012 30-89 Days Past Due and Still Accruing [Member] Residential (One to Four Family) Real Estate [Member] AFN	Sep. 30, 2012 30-89 Days Past Due and Still Accruing [Member] Multi-Family and Commercial Real Estate [Member] AFN	Sep. 30, 2012 30-89 Days Past Due and Still Accruing [Member] Commercial Loans [Member] AFN	Sep. 30, 2012 30-89 Days Past Due and Still Accruing [Member] Home Equity Loans [Member] AFN	Sep. 30, 2012 30-89 Days Past Due and Still Accruing [Member] Consumer [Member] AFN	Sep. 30, 2012 30-89 Days Past Due and Still Accruing [Member] Total [Member] AFN	Sep. 30, 2012 30-89 Days Past Due and Still Accruing [Member]	Sep. 30, 2012 90 Days or More Past Due and Still Accruing [Member]	Sep. 30, 2012 Total Past Due and Still Accruing [Member] Residential (One to Four Family) Real Estate [Member] USD ($)	Sep. 30, 2012 Total Past Due and Still Accruing [Member] Multi-Family and Commercial Real Estate [Member] USD ($)	Sep. 30, 2012 Total Past Due and Still Accruing [Member] Commercial Loans [Member] USD ($)	Sep. 30, 2012 Total Past Due and Still Accruing [Member] Home Equity Loans [Member] USD ($)	Sep. 30, 2012 Total Past Due and Still Accruing [Member] Consumer [Member] USD ($)	Sep. 30, 2012 Total Past Due and Still Accruing [Member] Total [Member] USD ($)	Sep. 30, 2012 Total Past Due and Still Accruing [Member]	Sep. 30, 2012 Accruing Current Balances [Member] Residential (One to Four Family) Real Estate [Member] USD ($)	Sep. 30, 2012 Accruing Current Balances [Member] Multi-Family and Commercial Real Estate [Member] USD ($)	Sep. 30, 2012 Accruing Current Balances [Member] Commercial Loans [Member] USD ($)	Sep. 30, 2012 Accruing Current Balances [Member] Home Equity Loans [Member] USD ($)	Sep. 30, 2012 Accruing Current Balances [Member] Consumer [Member] USD ($)	Sep. 30, 2012 Accruing Current Balances [Member] Construction [Member] USD ($)	Sep. 30, 2012 Accruing Current Balances [Member] Total [Member] USD ($)	Sep. 30, 2012 Accruing Current Balances [Member]	Sep. 30, 2012 Non-Accrual Balances [Member] Residential (One to Four Family) Real Estate [Member] USD ($)	Sep. 30, 2012 Non-Accrual Balances [Member] Multi-Family and Commercial Real Estate [Member] USD ($)	Sep. 30, 2012 Non-Accrual Balances [Member] Commercial Loans [Member] USD ($)	Sep. 30, 2012 Non-Accrual Balances [Member] Home Equity Loans [Member] USD ($)	Sep. 30, 2012 Non-Accrual Balances [Member] Consumer [Member] USD ($)	Sep. 30, 2012 Non-Accrual Balances [Member] Total [Member] USD ($)	Sep. 30, 2012 Non-Accrual Balances [Member]	Sep. 30, 2012 Total [Member] Residential (One to Four Family) Real Estate [Member] USD ($)	Sep. 30, 2012 Total [Member] Multi-Family and Commercial Real Estate [Member] USD ($)	Sep. 30, 2012 Total [Member] Commercial Loans [Member] USD ($)	Sep. 30, 2012 Total [Member] Home Equity Loans [Member] USD ($)	Sep. 30, 2012 Total [Member] Consumer [Member] USD ($)	Sep. 30, 2012 Total [Member] Construction [Member] USD ($)	Sep. 30, 2012 Total [Member] USD ($)	Sep. 30, 2012 Total [Member]
30-89 Days Past Due and Still Accruing (in Afghanis)			1,826	210	49	234	28	2,347			$ 1,826	$ 210	$ 49	$ 234	$ 28	$ 2,347
Total Past Due and Still Accruing			1,826	210	49	234	28	2,347			1,826	210	49	234	28	2,347
Accruing Current Balances																		64,200	10,005	1,011	9,029	869	783	85,897
Non-Accrual Balances	5,600	7,200																								2,079	3,130	257	78	39	5,583
Total Loan Balances	$ 100,674																																$ 68,105	$ 13,345	$ 1,317	$ 9,341	$ 936	$ 783	$ 93,827
Percentage of Total Loans									2.50%	0.00%							2.50%								91.55%							5.95%								100.00%
Percentage of Total Loans									2.50%	0.00%							2.50%								91.55%							5.95%								100.00%
Percentage of Total Loans									2.50%	0.00%							2.50%								91.55%							5.95%								100.00%