Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (6,555,305)	$ (12,477,984)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	4,602
Accretion	4,854
Stock based compensation	1,233,574	665,210
Salary paid with shares	100,000
Exploration expense paid with shares	183,226
Amortization of prepaid stock-based expenses		242,537
Deferred income taxes	438,145
Impairment expense		6,094,760
Gain on sale of business		(94,485)
Gain on extinguishment of liabilities		(248,684)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	244,542	(404,725)
Reclamation bond deposit and other assets	(254,019)	(27,881)
Accounts payable and accrued liabilities	(60,311)	(10,385)
Accounts payable - related parties	29,089
NET CASH USED IN OPERATING ACTIVITIES	(4,631,603)	(6,261,637)
CASH FLOWS FROM INVESTING ACTIVITIES:
Net proceeds received from sale of business		326,404
Investment in note receivable		(20,479)
NET CASH PROVIDED BY INVESTING ACTIVITIES		305,925
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of preferred stock and warrants, net of issuance cost		4,918,620
Issuance of common stock, net of issuance cost	178,872	2,590,004
NET CASH PROVIDED BY FINANCING ACTIVITIES	178,872	7,508,624
NET INCREASE (DECREASE) IN CASH	(4,452,731)	1,552,912
CASH - beginning of period	7,646,279	6,820,623
CASH - end of period	3,193,548	8,373,535
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest
Income taxes
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Grant of stock options for the acquisition of mineral rights		35,850
Increase in asset retirement obligation	81,885
Issuance of common stock pursuant to merger		5,661,935
Conversion of preferred stock into common stock		43
Issuance of common stock for accrued services	12,500	137,500
Issuance of common stock for prepaid services	$ 174,616	$ 253,937