Note 15 - Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2019

Notes to Financial Statements

Cash Flow, Supplemental Disclosures [Text Block]

1 5 . SUPPLEMENTAL CASH FLOW INFORMATION

Restricted cash of

$1,631

at

June 30, 2019

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

$31.

Restricted cash of

$1,634

at

December 31, 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.

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

June 30, 2019

and

2018

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

	June 30,
	2019		2018
Cash and cash equivalents	$	23,920	$	10,388
Restricted cash		1,631		1,769
Total cash, cash equivalents and restricted cash	$	25,551	$	12,157

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

six

-month periods ended

June 30, 2019

and

2018:

	2019		2018
Supplemental Non-cash Transactions:
Capital expenditures incurred but not paid at June 30	$	4,488	$	3,520
Additions to ARO asset	$	25	$	708
Unsettled share repurchases	$	56	$	-