CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended				12 Months Ended
	Jun. 30, 2025		Jun. 30, 2024		Jun. 30, 2025		Jun. 30, 2024		Dec. 31, 2024
Cash flows from operating activities:
Net (loss) income	$ (5,487)		$ (712)		$ (5,951)		$ 1,138
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization					13,293		11,257
Provision for deferred income taxes					1,596		168
Stock-based compensation					3,639		4,339
Derivative mark-to-market adjustments and settlements					341		(26)
Net loss on sale of assets					36		71
Increase (decrease) in earn-out liability					360		(465)
Accretion of asset retirement obligations					239		220		$ 445
Liabilities associated with properties sold					0		(225)
Amortization of debt issuance costs	99		90		195		180
Impairment loss	377	[1]	171	[2]	2,424	[3]	699	[4]
Accounts receivable					629		(9,232)
Royalty offset long term receivable					(2,645)		(2,141)
Critical spare inventory					(1,030)		735
Prepaid Insurance and expenses					(2,003)		(2,779)
Income tax payables					(606)		(819)
Accounts payable and Accrued liabilities					7,247		11,268
Other					(418)		97
Net cash provided by operating activities					17,346		14,485
Cash flows from investing activities:
Capital expenditures	(33,666)		(18,777)		(45,298)		(40,764)
Asset acquisition					0		(820)
Capital contributions to equity method investments					(2,150)		0
Cash collateral deposits					2		29
Net cash used in investing activities					(47,446)		(41,555)
Cash flows from financing activities:
Borrowings on long term debt					20,000		0
Repayments of long-term debt					(6,000)		(4,000)
Common stock issuance					4		2
Treasury stock purchase					(354)		(397)
Finance lease payments					(36)		(32)
Net cash provided (used) in financing activities					13,614		(4,427)
Net decrease in cash and cash equivalents and restricted cash					(16,486)		(31,497)
Cash and cash equivalents and restricted cash at beginning of period					46,004		74,242		74,242
Cash and cash equivalents and restricted cash at end of period	29,518		42,745		29,518		42,745		46,004
Reconciliation of cash, cash equivalents, and restricted cash at end of period:
Cash and cash equivalents	29,133		42,285		29,133		42,285		45,621
Restricted cash and cash equivalents - current	8		8		8		8		8
Restricted cash and cash equivalents - non-current	377		452		377		452		375
Reconciliation of cash, cash equivalents, and restricted cash at end of year	$ 29,518		$ 42,745		29,518		42,745		$ 46,004
Supplemental cash flow information:
Cash paid for interest, net of $64 and $0 capitalized, respectively					2,501		2,366
Cash paid for income taxes					569		1,407
Accrual for purchase of property, plant and equipment included in accounts payable and accrued liabilities					$ 19,367		$ 7,697

[1] Significant expenses regularly provided to the CODM.

[2] Significant expenses regularly provided to the CODM.

[3] Significant expenses regularly provided to the CODM.

[4] Significant expenses regularly provided to the CODM.