Consolidated Statements of Operations - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
REVENUES:    
Royalties $ 2,776 $ 773
Collaboration revenues 1,120
Grant revenues 445 1,053
Total revenues 4,341 1,826
Cost of sales (1,426) (385)
Gross profit 2,915 1,441
OPERATING EXPENSES:    
Research and development 33,914 12,317
General and administrative 18,212 15,571
Total operating expenses 52,126 27,888
Loss from operations (49,211) (26,447)
OTHER INCOME, NET:    
Interest income, net 2 1,039
Gain on sale of marketable securities 6,024 4,560
Unrealized loss on marketable equity securities (2,299) (3,782)
Gain on extinguishment of debt 523
Unrealized gain (loss) on warrant liability 205 (174)
Other income, net 1,486 2,880
Total other income, net 5,941 4,523
LOSS BEFORE INCOME TAXES (43,270) (21,924)
Income tax benefit 1,239
NET LOSS (43,270) (20,685)
Net loss attributable to noncontrolling interest 251 36
NET LOSS ATTRIBUTABLE TO LINEAGE $ (43,019) $ (20,649)
NET LOSS PER COMMON SHARE:    
BASIC AND DILUTED $ (0.26) $ (0.14)
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:    
BASIC AND DILUTED 164,502 150,044