Note 13 - Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

	June 30,
	2018		2017
Cash and cash equivalents	$	10,388	$	12,982
Restricted cash		1,769		11,924
Total cash, cash equivalents and restricted cash	$	12,157	$	24,906

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

	2018		2017
Supplemental Non-cash Transactions:
Capital expenditures incurred but not paid at June 30	$	3,520	$	1,506
Property acquired under capital leases	$	-	$	1,078
Additions to ARO asset	$	708	$	186