12. Segment information (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2012
Revenues from unaffiliated customers	$ 4,039,133	$ 3,556,269
Operating income (loss)	9,375	(415,957)
Net income (loss) before taxes	(905,317)	(1,290,779)
Identifiable assets	59,474,322	59,313,258
Depreciation and amortization	1,642,147	1,622,687
Capital expenditures	12,233
SellingOfPropertiesMember
Revenues from unaffiliated customers
Operating income (loss)
Net income (loss) before taxes
Identifiable assets
Depreciation and amortization
Capital expenditures
RentalIncomeAndManagementFeeMember
Revenues from unaffiliated customers	4,039,133	3,556,269
Operating income (loss)	41,454	(397,390)
Net income (loss) before taxes	(1,011,348)	(1,271,744)
Identifiable assets	50,424,592	47,514,864
Depreciation and amortization	1,634,089	1,578,634
Capital expenditures	12,233
CorporationMember
Operating income (loss)	(32,079)	(18,567)
Net income (loss) before taxes	106,031	(19,035)
Identifiable assets	9,049,730	11,798,394
Depreciation and amortization	8,058	44,053
Capital expenditures