The amount of expense recognized in the current period that reflects the allocation of capitalized costs associated with acquisition of business. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Acquisition of Hema Diagnostics Systems, LLC - Carrying amount of goodwill and other intangible assets (Details) - USD ($)	6 Months Ended
	Jan. 31, 2018	Dec. 28, 2017	Jul. 31, 2017
Additions from pharmacy acquisition	$ 3,187,757	$ 276,380	$ 2,911,377
Other Intangibles, net
Beginning balance	2,911,377
Current year amortization
Additions from pharmacy acquisition	276,380
Ending balance	2,911,377
Goodwill
Beginning balance
Current year amortization
Ending balance
Total
Beginning balance	2,911,377
Current year amortization
Additions from pharmacy acquisition	276,380
Ending balance	$ 2,911,377