SUPPLEMENTAL CASH FLOW INFORMATION

12 Months Ended

Dec. 31, 2020

Supplemental Cash Flow Information [Abstract]

SUPPLEMENTAL CASH FLOW INFORMATION

NOTE 16 — SUPPLEMENTAL CASH FLOW INFORMATION

The following table provides information regarding the net changes in working capital (in thousands):

	Year Ended December 31,
	2020		2019		2018
Accounts receivable	$	506	$	(3,508)	$	(958)
Prepaid expenses and other current assets	6,915		1,147		(431)
Accounts payable	(1,069)		(699)		7,776
Accounts payable due to related parties (Note 7 )	910		—		—
Accrued liabilities	(6,842)		18,167		15,475
Other, net	(1,986)		(3,929)		(11,342)
Net changes in working capital	$	(1,566)	$	11,178	$	10,520

The following table provides supplemental disclosure of cash flow information (in thousands):

	Year Ended December 31,
	2020	2019	2018
Non-cash accruals of property, plant and equipment and other non-current assets	8,370	11,759	8,630
Non-cash settlement of Final Payment Fee (Note 9)	8,539	—	—
Future proceeds from sale of Magellan Petroleum UK	—	1,384	—
Tradable equity securities	—	5,069	—
Non-cash settlement of withholding taxes associated with the 2019, 2018 and 2017 bonus paid and vesting of certain awards, respectively	1,659	6,686	5,733
Non-cash settlement of the 2019, 2018 and 2017 bonus paid, respectively	7,602	18,396	15,202
Asset retirement obligation additions and revisions	—	182	115

The statement of cash flows for the year ended December 31, 2020 reflects approximately $78.5 million and $2.1 million in non-cash movements related to the 2019 Term Loan and the Replacement Warrant, respectively. The statement of cash flows for the year ended December 31, 2019 reflects a $0.4 million non-cash movement for funds deposited in escrow in December 2018 that were cleared in March 2019 for the purchase of land.

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of such amounts shown in the Consolidated Statements of Cash Flows (in thousands):

	Year Ended December 31,
	2020		2019		2018
Cash and cash equivalents	$	78,297	$	64,615	$	133,714
Non-current restricted cash	3,440		3,867		49,875
Total cash, cash equivalents and restricted cash in the statement of cash flows	$	81,737	$	68,482	$	183,589