Real Estate and Accumulated Depreciation (Details 4) (USD $)	12 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Reconciliation of real estate accumulated depreciation
Balance-Beginning of Year	$ 68,166,442	$ 58,800,741	$ 49,393,929
Depreciation	11,471,070	10,351,358	9,406,812
Sales	(272,396)	0	0
Fully Depreciated Assets	(19,837)	(985,657)	0
Balance-End of Year	$ 79,345,279	$ 68,166,442	$ 58,800,741

Decreases or increases in accumulated depreciation for the period other than deductions attributed to real estate sold or written-off.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 970

-SubTopic 360

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-28.FN4)

-URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule III

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 28

-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule III)

-URI http://asc.fasb.org/extlink&oid=6882300&loc=d3e5864-122674

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration