Note 6 - Other Non-current Assets (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Other Assets, Noncurrent [Table Text Block]

	September 30,		December 31,
	2019		2018
Permitting costs (1)	$	1,151	$	-
Enterprise resource planning system		1,920		-
Total other non-current assets	$	3,071	$	-