10. Loans Receivable, Net: Troubled Debt Restructurings on Financing Receivables (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011
6 months
Financing Receivable, Modifications, Number of Contracts		3
Financing Receivable, Modifications, Pre-Modification Recorded Investment		$ 1,787,936
Financing Receivable, Modifications, Post-Modification Recorded Investment		1,787,936
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	5	9
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	894,825	4,676,665
6 months | Commercial Business
Financing Receivable, Modifications, Subsequent Default, Number of Contracts		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		48,785
6 months | Commercial Real Estate
Financing Receivable, Modifications, Number of Contracts		3
Financing Receivable, Modifications, Pre-Modification Recorded Investment		1,787,936
Financing Receivable, Modifications, Post-Modification Recorded Investment		1,787,936
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	5	8
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	894,825	4,627,880
3 months
Financing Receivable, Modifications, Number of Contracts		3
Financing Receivable, Modifications, Pre-Modification Recorded Investment		1,787,936
Financing Receivable, Modifications, Post-Modification Recorded Investment		1,787,936
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	17,978	2,612,713
3 months | Commercial Real Estate
Financing Receivable, Modifications, Number of Contracts		3
Financing Receivable, Modifications, Pre-Modification Recorded Investment		1,787,936
Financing Receivable, Modifications, Post-Modification Recorded Investment		1,787,936
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 17,978	$ 2,612,713