Loans Receivable, Net: Schedule of Loans Receivable Individually and Collectively Evaluated for Impairment (Details) (USD $)	Jun. 30, 2012	Mar. 31, 2012
Residential Real Estate
Financing Receivable, Individually Evaluated for Impairment	$ 3,405,599	$ 3,544,061
Financing Receivable, Collectively Evaluated for Impairment	92,268,437	94,263,856
Total Loans Receivable Individually and Collectively Evaluated for Impairment	95,674,036	97,807,917
Consumer
Financing Receivable, Individually Evaluated for Impairment	449,577	1,849,046
Financing Receivable, Collectively Evaluated for Impairment	56,860,911	56,835,954
Total Loans Receivable Individually and Collectively Evaluated for Impairment	57,310,488	58,685,000
Commercial Business
Financing Receivable, Individually Evaluated for Impairment	14,143	172,362
Financing Receivable, Collectively Evaluated for Impairment	8,879,526	9,380,213
Total Loans Receivable Individually and Collectively Evaluated for Impairment	8,893,669	9,552,575
Commercial Real Estate
Financing Receivable, Individually Evaluated for Impairment	38,761,301	35,231,717
Financing Receivable, Collectively Evaluated for Impairment	223,441,714	241,086,180
Total Loans Receivable Individually and Collectively Evaluated for Impairment	262,203,015	276,317,897
Total Loans
Financing Receivable, Individually Evaluated for Impairment	42,630,620	40,797,186
Financing Receivable, Collectively Evaluated for Impairment	381,450,588	401,566,203
Total Loans Receivable Individually and Collectively Evaluated for Impairment	$ 424,081,208	$ 442,363,389