Note 17 - Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

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

	2018		2017
Cash and cash equivalents	$	13,351	$	4,354
Restricted cash		1,634		11,814
Total cash, cash equivalents and restricted cash	$	14,985	$	16,168

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

	2018		2017
Supplemental Non-cash Transactions:
Capital expenditures incurred but not paid at December 31	$	4,998	$	5,092
Property acquired under capital leases	$	-	$	1,078
Additions to ARO asset	$	805	$	228