Note 6 - Restricted Cash (Tables)

6 Months Ended

Jan. 31, 2019

Notes Tables

Restrictions on Cash and Cash Equivalents [Table Text Block]

	January 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		14,429		10,717
Restricted cash, end of period	$	1,804,328	$	1,789,899

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

	January 31, 2019		January 31, 2018
Cash and cash equivalents	$	3,990,524	$	3,639,646
Restricted cash		1,804,328		1,779,182
Total cash, cash equivalents and restricted cash	$	5,794,852	$	5,418,828