10. Loans Receivable, Net: Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in the allowance for loan losses (Details) (USD $)	Sep. 30, 2012	Mar. 31, 2012
Residential Real Estate
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	$ 155,000	$ 155,000
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,734,323	1,773,625
Financing Receivable, Allowance for Credit Losses	1,889,323	1,928,625
Consumer
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	20,131	19,568
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,040,215	1,478,543
Financing Receivable, Allowance for Credit Losses	1,060,346	1,498,111
Commercial Business
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment		148,610
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	439,236	496,245
Financing Receivable, Allowance for Credit Losses	439,236	644,855
Commercial Real Estate
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	671,790	1,313,670
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	7,585,464	9,229,937
Financing Receivable, Allowance for Credit Losses	8,257,254	10,543,607
Total Loans
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	846,921	1,636,848
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	10,799,238	12,978,350
Financing Receivable, Allowance for Credit Losses	$ 11,646,159	$ 14,615,198