

	March 31, 2025 (unaudited)		December 31, 2024
Prepaid expense	$	1,960	$	2,119
Costs-share receivables	307		600
Accrued interest receivable	1,336		1,138
Refundable deposit	125		125
Other	160		143
Total prepaid and other current assets	$	3,888	$	4,125

Prepaid expenses include prepaid consulting fees, insurance premiums, rent and other charges. Cost-share receivables refer to the monetary assets obtained by the Company through several research and development cost-share projects related to nuclear recycling technologies awarded by the DOE’s Advanced Research Projects Agency – Energy (ARPA-E). Accrued interest receivables represent interest from marketable debt securities earned and not received. Refundable deposit represents an advance payment for the grant of a right to purchase certain land, subject to certain conditions..

Prepaid expenses are amortized over the straight-line method over the contract term. The deferred issuance costs have been charged against the proceeds of the recapitalization. Cost-share receivables are recorded as eligible costs are incurred. The refundable deposit will either be applied to the final purchase price of the land or refunded no later than June 30, 2025.


	As of
	March 31, 2025 (unaudited)		December 31, 2024
Computers and equipment	$	366	$	366
Furniture, fixtures and machinery	470		146
Software	1,020		1,020
Leasehold improvements	93		45
Total property and equipment, gross	1,949		1,577
Less accumulated depreciation and amortization	(499)		(375)
Total property and equipment, net	$	1,450	$	1,202

Depreciation and amortization expenses for the three months ended March 31, 2025 and 2024 totaled $124 and $49, respectively.


	As of
	March 31, 2025 (unaudited)		December 31, 2024
Accrued professional fees	1,380		$	652
Accrued payroll and bonuses	1,177		636
Credit card liabilities	260		261
Franchise and income taxes payable	506		202
General accrued expenses	221		134
Total accrued expenses and other	$	3,544	$	1,885