Additional Cash Flow Information

6 Months Ended

Jun. 30, 2021

Supplemental Cash Flow Information [Abstract]

Additional Cash Flow Information

NOTE 15 — ADDITIONAL CASH FLOW INFORMATION

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

	Six Months Ended June 30,
	2021		2020
Accounts receivable	$	398	$	2,331
Prepaid expenses and other current assets	(350)		(396)
Accounts payable	2,048		4,494
Accounts payable due to related parties	(910)		2,300
Accrued liabilities	14,439		6,375
Other, net	(746)		(1,617)
Net changes in working capital	$	14,879	$	13,487

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

	Six Months Ended June 30,
	2021		2020
Non-cash accruals of property, plant and equipment and other non-current assets	$	5,367	$	7,955
Non-cash settlement of withholding taxes associated with the 2019 bonus and vesting of certain awards	2,990		—
Non-cash settlement of the 2019 bonus	5,430		1,086
Non-cash settlement of Final Payment Fee	—		8,539

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

	Six Months Ended June 30,
	2021		2020
Cash and cash equivalents	$	111,858	$	88,314
Non-current restricted cash	—		3,467
Total cash, cash equivalents and restricted cash shown in the statements of cash flows	$	111,858	$	91,781