XML 45 R31.htm IDEA: XBRL DOCUMENT v3.21.2
Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2021
Property, Plant and Equipment [Abstract]  
Schedule of Property Plant and Equipment
Property, plant, and equipment consisted of the following:
(in thousands)September 30, 2021December 31, 2020
Land$222 $39 
Pilot plant5,476 5,237 
Lab equipment2,167 1,958 
Machinery and equipment655 655 
Computer and other equipment330 295 
Construction in process48,471 43,962 
57,321 52,146 
Less accumulated depreciation and amortization(7,370)(7,042)
Total property, plant, and equipment, net$49,951 $45,104