Note 15 - Supplemental Disclosures of Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2025

	*Six Months Ended*
	*June 30, 2025*			*June 30, 2024*
	(in thousands)
Cash paid for interest	$	-		$	(382	)
Cash received for income taxes		-			(70	)

Investing activities:
Change in capital expenditure accruals		(2,742	)		(88	)
Change in accrual for acquisition costs		-			(155	)
Common stock issued for acquisition of industrial gas properties		(2,632	)		(2,678	)
Asset retirement obligations		(1,907	)		(302	)
Financing activities:
Accrual for repurchase of common stock		-			(59	)