10. Loans Receivable, Net: Schedule of loans evaluated individually for impairment and collectively evaluated for impairment (Details) (USD $)	Sep. 30, 2012	Mar. 31, 2012
Residential Real Estate
Financing Receivable, Individually Evaluated for Impairment	$ 4,783,225	$ 3,544,061
Financing Receivable, Collectively Evaluated for Impairment	89,228,183	94,263,856
Impaired Financing Receivable, Individually and Collectively evaluated for impairment	94,011,408	97,807,917
Consumer
Financing Receivable, Individually Evaluated for Impairment	332,892	1,849,046
Financing Receivable, Collectively Evaluated for Impairment	56,001,777	56,835,954
Impaired Financing Receivable, Individually and Collectively evaluated for impairment	56,334,669	58,685,000
Commercial Business
Financing Receivable, Individually Evaluated for Impairment	10,765	172,362
Financing Receivable, Collectively Evaluated for Impairment	8,782,591	9,380,213
Impaired Financing Receivable, Individually and Collectively evaluated for impairment	8,793,356	9,552,575
Commercial Real Estate
Financing Receivable, Individually Evaluated for Impairment	38,025,399	35,231,717
Financing Receivable, Collectively Evaluated for Impairment	215,071,744	241,086,180
Impaired Financing Receivable, Individually and Collectively evaluated for impairment	253,097,143	276,317,897
Total Loans
Financing Receivable, Individually Evaluated for Impairment	43,152,281	40,797,186
Financing Receivable, Collectively Evaluated for Impairment	369,084,295	401,566,203
Impaired Financing Receivable, Individually and Collectively evaluated for impairment	$ 412,236,576	$ 442,363,389