Restatement of previously issued condensed interim consolidated financial statements - Statements Of Cash Flows (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Jan. 31, 2019	Jan. 31, 2018	Jul. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss)	$ (12,524,584)	$ (9,829,578)	$ 5,397,996	$ 17,696,928	$ 35,948,698
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization			378,200	2,022
Issuance of stock options as compensation			924,845
Changes in fair value of contingent purchase consideration			(15,147,591)	(18,776,629)
Change in fair value of derivative liabilities - convertible notes			(177,844)
Change in fair value of derivative liabilities - warrants			35,119
Impairment of long-lived assets	99,519		99,519
Changes in operating assets and liabilities:
Accounts receivable			686,889	(175)
Inventory			385,987	(2,011)
Accounts payable and accrued expenses			3,296,630	211,670
Accrued interest on notes receivable			(18,288)
Other current assets			2,936	(205,097)
Other assets, net			(10,997)
Other current liabilities			4,620
Other noncurrent liabilities			171,562
Net Cash Used in Operating Activities			(3,970,417)	(1,073,292)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment			(26,671)	(5,385)
Purchase of intangible assets			(26,488)
Disposal of propoerty and equipment
Issuance of note payable
Cash received in acquisition of a business			1,722,814
Net cash used in investing activities			1,669,655	(5,385)
CASH FLOWS FROM FINANCING ACTIVITIES
Loan proceeds from related party			(3,305)	126,101
Payment of notes payable			(28,640)
Proceeds from note payable			3,524,460
Investment in subsidiary by noncontrolling interest			133,679	125,376	327,593
Net Cash Provided by Financing Activities			3,626,194	251,477
Effects of currency translation on cash and cash equivalents			2,024	(3,898)
Net increase (decrease) in Cash and Cash Equivalents			1,327,456	(831,098)
Cash and Cash Equivalents, beginning of period			1,046,365	2,879,165	$ 2,879,165
Cash and Cash Equivalents, end of period	2,373,821	$ 2,048,067	2,373,821	2,048,067
Supplemental Disclosure of Cash Flow Information
Acquisition of Veneto assets & liabilities - First Closing			(13,947,462)
Acquisition of Veneto assets & liabilities - Second Closing			(19,948,909)
Acquisition of Regentys assets & liabilities			(337,538)
Acquisition of Olaregen assets & liabilities			212,355
Extinguishment of HDS debt			(14,056,109)
Note payable issued for acquisition of a business			35,000,000	320,000
Discounts on note payable and convertible debt			165,833
Market value of convertible notes			(2,110,000)
Derivative liability - convertible notes			2,530,983
Derivative liability - convertible warrants			157,552
Conversion of series H convertible preferred stock to common stock			25,200
Conversion of series I convertible preferred stock to common stock			6,631
As Previously Reported [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss)			5,565,100
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization			73,034
Issuance of stock options as compensation			924,845
Changes in fair value of contingent purchase consideration			(15,147,591)
Change in fair value of derivative liabilities - convertible notes			202,500
Change in fair value of derivative liabilities - warrants
Impairment of long-lived assets
Changes in operating assets and liabilities:
Accounts receivable			516,822
Inventory			389,924
Accounts payable and accrued expenses			3,285,385
Accrued interest on notes receivable			(18,288)
Other current assets			9,094
Other assets, net			(10,997)
Other current liabilities
Other noncurrent liabilities
Net Cash Used in Operating Activities			(4,210,172)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment			(10,070)
Purchase of intangible assets
Disposal of propoerty and equipment			(5,393)
Issuance of note payable			13,986
Cash received in acquisition of a business			1,722,814
Net cash used in investing activities			1,721,337
CASH FLOWS FROM FINANCING ACTIVITIES
Loan proceeds from related party			(3,305)
Payment of notes payable			(28,011)
Proceeds from note payable			3,524,460
Investment in subsidiary by noncontrolling interest			133,679
Net Cash Provided by Financing Activities			3,626,823
Effects of currency translation on cash and cash equivalents			2,024
Net increase (decrease) in Cash and Cash Equivalents			1,140,012
Cash and Cash Equivalents, beginning of period			1,046,365
Cash and Cash Equivalents, end of period	2,186,377		2,186,377
Supplemental Disclosure of Cash Flow Information
Acquisition of Veneto assets & liabilities - First Closing
Acquisition of Veneto assets & liabilities - Second Closing
Acquisition of Regentys assets & liabilities
Acquisition of Olaregen assets & liabilities
Extinguishment of HDS debt
Note payable issued for acquisition of a business
Discounts on note payable and convertible debt
Market value of convertible notes
Derivative liability - convertible notes
Derivative liability - convertible warrants
Conversion of series H convertible preferred stock to common stock
Conversion of series I convertible preferred stock to common stock
Adjusted [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net Income (Loss)			(167,104)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization			305,166
Issuance of stock options as compensation
Changes in fair value of contingent purchase consideration
Change in fair value of derivative liabilities - convertible notes			(380,344)
Change in fair value of derivative liabilities - warrants			35,119
Impairment of long-lived assets			99,519
Changes in operating assets and liabilities:
Accounts receivable			170,067
Inventory			(3,937)
Accounts payable and accrued expenses			11,245
Accrued interest on notes receivable
Other current assets			(6,158)
Other assets, net
Other current liabilities			4,620
Other noncurrent liabilities			171,562
Net Cash Used in Operating Activities			239,755
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment			(16,601)
Purchase of intangible assets			(26,488)
Disposal of propoerty and equipment			5,393
Issuance of note payable			(13,986)
Cash received in acquisition of a business
Net cash used in investing activities			(51,682)
CASH FLOWS FROM FINANCING ACTIVITIES
Loan proceeds from related party
Payment of notes payable			(629)
Proceeds from note payable
Investment in subsidiary by noncontrolling interest
Net Cash Provided by Financing Activities			(629)
Effects of currency translation on cash and cash equivalents
Net increase (decrease) in Cash and Cash Equivalents			187,444
Cash and Cash Equivalents, end of period	$ 187,444		187,444
Supplemental Disclosure of Cash Flow Information
Acquisition of Veneto assets & liabilities - First Closing			(13,947,462)
Acquisition of Veneto assets & liabilities - Second Closing			(19,948,909)
Acquisition of Regentys assets & liabilities			(337,538)
Acquisition of Olaregen assets & liabilities			212,355
Extinguishment of HDS debt			(14,056,109)
Note payable issued for acquisition of a business			35,000,000
Discounts on note payable and convertible debt			165,833
Market value of convertible notes			(2,110,000)
Derivative liability - convertible notes			2,530,983
Derivative liability - convertible warrants			157,552
Conversion of series H convertible preferred stock to common stock			25,200
Conversion of series I convertible preferred stock to common stock			$ 6,631