Note 8 - Accounts Payable and Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	March 31,		December 31,
	2020		2019
Accrued utilities and supplies	$	1,393	$	645
Accounts payable - trade		911		1,474
Accrued employee compensation		675		1,946
Other accrued liabilities		1,498		1,613
Total accounts payable and accrued liabilities	$	4,477	$	5,678