Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2017	Jul. 31, 2017	Jul. 31, 2016
Assets
Accumulated depreciation, depletion and amortization, property, plant, and equipment	$ 6,354	$ 4,784	$ 1,016
Finite-lived intangible assets, accumulated amortization	$ 10,332	$ 9,760	$ 8,388
Stockholders' equity (deficit)
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001	$ 0.001
Common stock authorized (in shares)	200,000,000	200,000,000	200,000,000
Common stock issued (in shares)	2,535,766	2,026,608	1,992,433
Common stock outstanding (in shares)	2,535,766	2,026,608	1,992,433