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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
Property, plant, and equipment consisted of the following:
(in thousands)December 31, 2022December 31, 2021
Land$11,358 $912 
Pilot plant4,599 5,517 
Lab equipment2,526 2,227 
Machinery and equipment948 655 
Computer and other equipment598 388 
Construction in process138,847 55,026 
Total158,876 64,725 
Less accumulated depreciation and amortization(4,693)(7,540)
Total property, plant, and equipment, net$154,183 $57,185 
For the year ended December 31, 2022, 2021 and 2020, depreciation expense totaled $0.7 million, $0.5 million and $0.5 million, respectively.
At December 31, 2022 and 2021, the Company capitalized $1.1 million and $0.9 million, respectively, of interest cost into Origin 1. At December 31, 2022 and 2021, the Company capitalized $1.9 million and $0.9 million of stock-based compensation related to employees whose costs are necessarily incurred to bring the asset to its intended use. At December 31, 2022 and 2021 a cumulative translation adjustment of $3.0 million and $(0.1) million, respectively, is included in total property, plant, and equipment as a result of foreign currency transaction gains and losses.