Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Components of Deferred Tax Assets (Details)

v3.20.4
INCOME TAXES - Components of Deferred Tax Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Deferred tax assets:      
Federal and state net operating carryforwards $ 77,463 $ 56,333  
Research and development and other credits 13,555 11,072  
Capitalized startup costs 15,717 17,032  
Compensation-related items 2,257 1,286  
Deferred lease liability 872 1,111  
Depreciation 1,503    
Other deferred tax assets 2,272 2,068  
Total gross deferred tax asset 113,639 88,902  
Valuation allowance (111,494) (87,370) $ (56,405)
Net deferred tax asset 2,145 1,532  
Deferred tax liabilities:      
Right-of-use asset (522) (664)  
Acquired technology (1,623) (868)  
Total deferred tax liabilities $ (2,145) $ (1,532)