Accounts Payable, Accrued Expenses, and Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2024

Other Liabilities Disclosure [Abstract]

Schedule of Components of Other Liabilities

The following table summarizes the components portions of Accounts payable, accrued expenses, and other liabilities (in thousands):

	Year Ended December 31,
	2024		2023
Accounts payable and accrued expenses(1)	$	2,389	$	1,631
Other liabilities, current
Accrued compensation(2)	3,116		3,000
Accrued directors’ fees	41		38
Operating lease liability	9		25
Warrant liabilities	6		—
Contract liabilities(3)	—		1,550
Total	$	5,561	$	6,244
Other liabilities, non-current
Warrant liabilities	$	—	$	26
Operating lease liability	—		8
Total	$	—	$	34

(1)     During the year ended December 31, 2023, the Company reached a settlement agreement with the vendor, whereby the Company agreed to pay $1.0 million to the vendor and in return, the vendor agreed to release the Company from any future obligations. As a result, the Company recorded a gain on settlement of accrued liability of $1.2 million during the year ended December 31, 2023.

(2)     Accrued compensation reflects amounts for performance-related compensation.

(3)     As of December 31, 2023, the Company had received non-refundable deposit payments totaling $1.6 million in accordance with the Equipment Purchase Agreement for one SAG mill, one Ball Mill, and two substation transformers. Effective March 1, 2024, the buyer terminated a portion of the Equipment Purchase Agreement related to one Ball Mill and one SAG mill and effective April 5, 2024, the buyer terminated the balance of the Equipment Purchase Agreement. Because the sale did not materialize, the Company recognized $1.6 million as Gain on asset sales during the year ended December 31, 2024, to account for the to account for the gain on forfeiture of non-refundable deposits. See Note 7 – Assets Held-For-Sale for additional information.