Fair Value of Financial Instruments (Tables)

9 Months Ended

Apr. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of Derivative Liabilities at Fair Value

The following table provides a reconciliation of the beginning and ending balances of the derivative liabilities for the nine months ended April 30, 2017:

Fair Value of Significant Unobservable Inputs (Level 3)

	Warrant
	Liabilities
Balance at July 31, 2016	$	1,802,000
Issuances		—
Settlement of warrant liabilities		(8,000	)
Adjustments to estimated fair value		(153,000	)
Balance at April 30, 2017	$	1,641,000