Property and equipment as of June 30, 2025 and December 31, 2024 consisted of the following:


	Useful Lives (Years)	June 30, 2025			December 31, 2024
Construction in progress	-	$	2,166,292		$	13,969,784
Tools, machinery and equipment	3 - 10		6,653,046			5,898,618
Plant	10		18,558,462			2,269,204
Computer equipment	3 - 4		198,437			145,225
Vehicles	5		362,379			292,498
Software	5		612,596			1,590
Office furniture	5 - 10		179,792			147,079
Leasehold improvements	5		107,184			115,890
Property and equipment, at cost			28,838,188			22,839,888
Less accumulated depreciation			(1,237,894	)		(485,511	)
Property and equipment, net		$	27,600,294		$	22,354,377

The Company has three plants in Pretoria, South Africa: a Carbon-14 plant, a multi-isotope plant and a laser isotope separation plant using quantum enrichment technology. The multi-isotope plant and the laser isotope separation plant were completed in March 2025 and depreciation began in April 2025. The Carbon-14 plant was completed in June 2024 and depreciation began in July 2024. As of December 31, 2024, costs incurred for the multi-isotope plant and the laser isotope separation plant were considered construction in progress because the work was not complete. Depreciation expense was $529,956 and $146,504 for the three months ended June 30, 2025 and 2024, respectively. Depreciation expense was $678,959 and $249,714 for the six months ended June 30, 2025 and 2024, respectively.