Annual report pursuant to Section 13 and 15(d)

Condensed Financial Statements - Summary of Components of Certain Balance Sheet Accounts (Detail)

v3.19.1
Condensed Financial Statements - Summary of Components of Certain Balance Sheet Accounts (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Prepaid expenses and other current assets:    
Prepaid expenses $ 893 $ 261
Prepaid rent 40 86
R&D tax credit receivable 301 141
Forward purchase contracts 1 3
Other 66 135
Prepaid expenses and other current assets 1,301 626
Land, buildings, and equipment:    
Land, buildings, and equipment 23,938 15,636
Less accumulated depreciation (2,088) (1,283)
Land, buildings, and equipment 21,850 14,353
Other non-current assets:    
R&D tax credit receivable 250 233
Other 56 124
Total 306 357
Other current liabilities:    
Purchase commitments 407  
Other 56 483
Total 711 487
Forward Purchase Contracts [Member]    
Prepaid expenses and other current assets:    
Forward purchase contracts 1 [1] 3 [2]
Other current liabilities:    
Forward purchase contracts 248 [1] 4 [2]
Land Under Capital Lease [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment 5,690 5,690
Buildings [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment 642 642
Buildings Under Capital Lease [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment 3,812 3,772
Leasehold Improvements [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment 52 169
Leasehold Improvements Under Capital Lease [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment 10,023 0
Office Furniture and Equipment [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment 1,789 1,672
Office Furniture and Equipment Under Capital Lease [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment 1,374 0
Computer Equipment and Software [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment 2 20
Construction in Progress [Member]    
Land, buildings, and equipment:    
Land, buildings, and equipment $ 554 $ 3,671
[1] The fair value for forward purchase contracts is estimated based on commodity futures market prices.
[2] The fair value for forward purchase contracts is estimated based on commodity market future prices.