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Cash Flow Information (Schedule of cash flow information) (Details) (USD $)	9 Months Ended
	Apr. 30, 2015	Apr. 30, 2014
Cash Flow Information: [Abstract]
Interest paid, net of capitalized interest of $6,367 (2015) and $11,100 (2014)	$ 280,522us-gaap_InterestPaid	$ 326,817us-gaap_InterestPaid
Income taxes paid (refunded)	387,163us-gaap_IncomeTaxesPaid	(14,417)us-gaap_IncomeTaxesPaid
Non-cash investing and financing activities:
Refinancing of mortgage payable	$ 5,347,726us-gaap_TransferMortgagePayable

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586



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The amount of cash paid for interest during the period.

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

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-Name Accounting Standards Codification

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The fair value of transfer of mortgage payable in noncash investing or financing activities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586



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