10. Loans Receivable, Net: Schedule of Allowance for Loan Losses (Details) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Residential Real Estate
Allowance for Doubtful Accounts Receivable, Beginning Balance	$ 2,030,522	$ 1,763,457	$ 1,928,625	$ 1,702,864
Provision for Doubtful Accounts	50,497	(40,280)	369,607	191,352
Allowance for Doubtful Accounts Receivable, Charge-offs	(192,026)	(16,381)	(418,998)	(187,420)
Allowance for Doubtful Accounts Receivable, Recoveries	330		10,089
Allowance for Doubtful Accounts Receivable, Ending Balance	1,889,323	1,706,796	1,889,323	1,706,796
Consumer
Allowance for Doubtful Accounts Receivable, Beginning Balance	1,251,799	1,102,767	1,498,111	1,122,055
Provision for Doubtful Accounts	(80,555)	9,979	(214,721)	34,787
Allowance for Doubtful Accounts Receivable, Charge-offs	(113,799)	(83,678)	(234,226)	(138,416)
Allowance for Doubtful Accounts Receivable, Recoveries	2,901	4,771	11,182	15,413
Allowance for Doubtful Accounts Receivable, Ending Balance	1,060,346	1,033,839	1,060,346	1,033,839
Commercial Business
Allowance for Doubtful Accounts Receivable, Beginning Balance	473,224	651,426	644,855	924,149
Provision for Doubtful Accounts	(9,339)	526,919	7,235	315,014
Allowance for Doubtful Accounts Receivable, Charge-offs	(28,736)	(335,327)	(217,466)	(408,138)
Allowance for Doubtful Accounts Receivable, Recoveries	4,087	1,744	4,612	13,737
Allowance for Doubtful Accounts Receivable, Ending Balance	439,236	844,762	439,236	844,762
Commercial Real Estate
Allowance for Doubtful Accounts Receivable, Beginning Balance	8,928,782	9,984,923	10,543,607	8,752,732
Provision for Doubtful Accounts	339,397	1,803,382	862,879	4,058,847
Allowance for Doubtful Accounts Receivable, Charge-offs	(1,076,739)	(1,628,968)	(3,362,634)	(2,652,242)
Allowance for Doubtful Accounts Receivable, Recoveries	65,814	34,699	213,402	34,699
Allowance for Doubtful Accounts Receivable, Ending Balance	8,257,254	10,194,036	8,257,254	10,194,036
Total Loans
Allowance for Doubtful Accounts Receivable, Beginning Balance	12,684,327	13,502,573	14,615,198	12,501,800
Provision for Doubtful Accounts	300,000	2,300,000	1,025,000	4,600,000
Allowance for Doubtful Accounts Receivable, Charge-offs	(1,411,300)	(2,064,354)	(4,233,325)	(3,386,216)
Allowance for Doubtful Accounts Receivable, Recoveries	73,132	41,214	239,286	63,849
Allowance for Doubtful Accounts Receivable, Ending Balance	$ 11,646,159	$ 13,779,433	$ 11,646,159	$ 13,779,433