Note 18 - Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Reconciliation of Cash, Cash Equivalents, and Restricted Cash [Table Text Block]

	2019		2018
Cash and cash equivalents	$	26,662	$	13,351
Restricted cash		1,631		1,634
Total cash, cash equivalents and restricted cash	$	28,293	$	14,985

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	2019		2018
Supplemental Non-cash Transactions:
Capital expenditures incurred but not paid at December 31	$	5,950	$	4,998
Additions to ARO asset	$	85	$	805