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6. Mortgage-backed Securities: Disclosure of Held to Maturity Mortgage-Backed Securities Pledged as Collateral for Governmental Public Funds Policy (Details) (USD $)
Jun. 30, 2013
Mar. 31, 2013
Details    
Mortgage-backed securities held to maturity pledged as collateral, Amortized Cost $ 51,000 $ 53,000
Mortgage-backed securities held to maturity pledged as collateral, Fair Value $ 53,000 $ 55,000