Note 7 - Restricted Cash (Tables)

12 Months Ended

Jul. 31, 2019

Notes Tables

Restrictions on Cash and Cash Equivalents [Table Text Block]

	July 31, 2019		July 31, 2018
Restricted cash, beginning of period	$	1,789,899	$	1,706,028
Reclamation deposit received from asset acquisition		-		73,973
Refund of reclamation deposit		-		(819	)
Interest received		31,493		10,717
Restricted cash, end of period	$	1,821,392	$	1,789,899

Schedule of Cash and Cash Equivalents and Restricted Cash [Table Text Block]

	July 31, 2019		July 31, 2018
Cash and cash equivalents	$	6,058,186	$	6,926,523
Restricted cash		1,821,392		1,789,899
Total cash, cash equivalents and restricted cash	$	7,879,578	$	8,716,422