Note 13 - Supplemental Cash Flow Information

9 Months Ended

Sep. 30, 2018

Notes to Financial Statements

Cash Flow, Supplemental Disclosures [Text Block]

1 3 . SUPPLEMENTAL CASH FLOW INFORMATION

Restricted cash of

$1,634

at

September 30, 2018

consisted of certificates of deposit of

$1,600

required under the terms of certain contracts to which the Company is a party and other restricted cash of

$34.

Restricted cash of

$11,814

at

December 31, 2017

consisted of

$10,044

to fund the purchase or settlement at maturity of the Company’s

6.25%

Notes, certificates of deposit of

$1,734

required under the terms of certain contracts to which the Company is a party and other restricted cash of

$36.

The following table provides a reconciliation of cash and cash equivalents and restricted cash reported within the statement of financial position at

September 30, 2018

and

2017

that sum to the total of these items reported in the statement of cash flows:

	September 30,
	2018		2017
Cash and cash equivalents	$	17,292	$	11,224
Restricted cash		1,634		11,927
Total cash, cash equivalents and restricted cash	$	18,926	$	23,151

The following table presents supplemental non-cash transaction information for the

nine

-month periods ended

September 30, 2018

and

2017:

	2018		2017
Supplemental Non-cash Transactions:
Capital expenditures incurred but not paid at September 30	$	3,350	$	5,591
Property acquired under capital leases	$	-	$	1,078
Additions to ARO asset	$	752	$	200