Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Summary of Property, Plant, and Equipment (Detail)

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Property, Plant and Equipment - Summary of Property, Plant, and Equipment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Property Plant And Equipment [Line Items]    
Total property, plant, and equipment before depreciation and land $ 16,653 $ 16,695
Accumulated depreciation and amortization (11,963) (11,330)
Property, plant, and equipment, net before land 4,690 5,365
Land 156 160
Property, plant, and equipment, net 4,846 5,525
Building    
Property Plant And Equipment [Line Items]    
Total property, plant, and equipment before depreciation and land 201 205
Leasehold Improvements    
Property Plant And Equipment [Line Items]    
Total property, plant, and equipment before depreciation and land 1,251 1,251
Equipment and Computers    
Property Plant And Equipment [Line Items]    
Total property, plant, and equipment before depreciation and land 14,682 14,628
Furniture and Fixtures    
Property Plant And Equipment [Line Items]    
Total property, plant, and equipment before depreciation and land 519 519
Construction in Progress    
Property Plant And Equipment [Line Items]    
Total property, plant, and equipment before depreciation and land $ 0 $ 92