Note 2 - Cash, Cash Equivalents, and Restricted Cash

6 Months Ended

Jun. 30, 2025

Notes to Financial Statements

Cash and Cash Equivalents Disclosure [Text Block]

Note 2—Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported in the condensed consolidated balance sheet as well as the corresponding amounts reported in the condensed consolidated statements of cash flows:

	June 30,		December 31,
	2025		2024
	(in thousands)
Cash and cash equivalents	$	105,423	$	104,456
Restricted cash—short-term		25,267		26,608
Restricted cash—long-term		70,301		69,580
Total cash, cash equivalents, and restricted cash	$	200,991	$	200,644

Restricted cash—short-term includes amounts set aside in accordance with GRE's Amended and Restated Preferred Supplier Agreement with BP Energy Company (“BP”) (see Note 19),  Credit Agreement with JPMorgan Chase (see Note 20), Term Loan Agreement with National Cooperative Bank, N.A. ("NCB") (see Note 20) and for the current portion of cash held by the Company's wholly-owned insurance subsidiary (the "Captive") which is restricted for uses related to current portion of the insured liability program (see Note 19).

Restricted cash—long-term includes cash held by the Captive, which is restricted for uses related to the noncurrent portion of the insured liability program (see Note 19). 

Included in the cash and cash equivalents as of June 30, 2025 and December 31, 2024 is cash received from Lumo Sweden (see Note 5).