Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss attributable to Lineage $ (43,019) $ (20,649)
Net loss attributable to noncontrolling interest (251) (36)
Adjustments to reconcile net loss attributable to Lineage to net cash used in operating activities:    
Gain on sale of marketable equity securities (6,024) (4,560)
Unrealized loss on marketable equity securities 2,299 3,782
Deferred tax benefit (1,239)
Depreciation expense, including amortization of leasehold improvements 663 823
Amortization of right-of-use assets 14 72
Amortization of intangible assets 210 1,216
Stock-based compensation 3,519 2,227
Common stock issued for services 202 119
Change in unrealized (gain) loss on warrant liability (205) 174
Write-off of security deposit 150
Amortization of deferred license fee (200)
Foreign currency remeasurement and other (gain) (1,566) (2,957)
Loss (gain) on sale of assets 24 (20)
Realized loss on warrant exercise 44
Gain on extinguishment of debt (523)
Changes in operating assets and liabilities:    
Accounts and grants receivable (857) 287
Accrued interest receivable (1,008)
Receivables from affiliates, net of payables 7
Prepaid expenses and other current assets (72) 1,575
Accounts payable and accrued liabilities 21,645 308
Deferred revenue and other liabilities 380 132
Net cash used in operating activities (23,561) (19,753)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Proceeds from sale of OncoCyte common shares 10,064 10,941
Proceeds from the sale of AgeX common shares 1,290
Proceeds from the sale of HBL common shares 21 830
Purchase of property and equipment (354) (64)
Proceeds from sale of assets 14 23
Security deposit paid and other 18
Net cash provided by investing activities 9,745 13,038
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from employee options exercised 7,240
Proceeds from payment of Juvenescence promissory note 24,624
Common shares received and retired for employee taxes paid (54) (27)
Proceeds from sale of common shares 30,865 5,127
Payments for offering costs (1,101) (356)
Repayment of financing lease liabilities (20) (26)
Proceeds from Paycheck Protection Program (“PPP”) Loan (Note 8) 523
Net cash provided by financing activities 36,930 29,865
Effect of exchange rate changes on cash, cash equivalents and restricted cash (20) (63)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH 23,094 23,087
At beginning of year 33,183 10,096
At end of year 56,277 33,183
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:    
Cash paid during year for interest 13 20
SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING AND INVESTING ACTIVITIES:    
Receivable from sale of common shares in at the market offering 147 269
Receivable from exercise of stock options $ 189