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Condensed Consolidated Statements of Stockholders’ Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Series A Special Voting
Preferred Stock
Common Stock
Exchangeable Shares
Additional Paid-In Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Total
Balance at Dec. 31, 2022 $ 164,879 $ (25) $ (149,597) $ 15,257
Balance (in Shares) at Dec. 31, 2022 357 228        
Exchange of exchangeable shares
Exchange of exchangeable shares (in Shares)   8 (8)        
Stock-based compensation 1,307 1,307
Unrealized gain on available-for-sale securities 14 14
Net loss (3,148) (3,148)
Balance at Mar. 31, 2023 166,186 (11) (152,745) 13,430
Balance (in Shares) at Mar. 31, 2023 365 220        
Balance at Dec. 31, 2022 164,879 (25) (149,597) 15,257
Balance (in Shares) at Dec. 31, 2022 357 228        
Unrealized gain on available-for-sale securities             25
Net loss             (7,857)
Balance at Sep. 30, 2023 169,202 (157,454) 11,748
Balance (in Shares) at Sep. 30, 2023 633 127        
Balance at Mar. 31, 2023 166,186 (11) (152,745) 13,430
Balance (in Shares) at Mar. 31, 2023 365 220        
Sale of common stock 3,546 3,546
Sale of common stock (in Shares)   56          
Issuance of common stock upon exercise of warrants 19 19
Issuance of common stock upon exercise of warrants (in Shares)   53          
Exchange of exchangeable shares (3) (3)
Exchange of exchangeable shares (in Shares)   77 (77)        
Initial recognition of fair value of warrant liability (3,162) (3,162)
Issuance of common stock under stock plan, net (36) (36)
Issuance of common stock under stock plan, net (in Shares)   4          
Stock-based compensation 1,319 1,319
Unrealized gain on available-for-sale securities 7 7
Net loss (4,086) (4,086)
Balance at Jun. 30, 2023 167,869 (4) (156,831) 11,034
Balance (in Shares) at Jun. 30, 2023 555 143        
Issuance of common stock upon exercise of warrants 25 25
Issuance of common stock upon exercise of warrants (in Shares)   62          
Exchange of exchangeable shares
Exchange of exchangeable shares (in Shares)   16 (16)        
Issuance of common stock under stock plan, net
Stock-based compensation 1,308 1,308
Unrealized gain on available-for-sale securities 4 4
Net loss (623) (623)
Balance at Sep. 30, 2023 169,202 (157,454) 11,748
Balance (in Shares) at Sep. 30, 2023 633 127        
Balance at Dec. 31, 2023 $ 1 170,474 (166,392) 4,083
Balance (in Shares) at Dec. 31, 2023 673 95        
Shares issued for reverse stock split
Shares issued for reverse stock split (in Shares)   52          
Sale of common stock 3,431 3,431
Sale of common stock (in Shares)   563        
Issuance of common stock upon exercise of warrants $ 1 1
Issuance of common stock upon exercise of warrants (in Shares)   1,001        
Stock-based compensation 1,222 1,222
Net loss (2,031) (2,031)
Balance at Mar. 31, 2024 $ 2 175,127 (168,423) 6,706
Balance (in Shares) at Mar. 31, 2024 2,289 95        
Balance at Dec. 31, 2023 $ 1 170,474 (166,392) 4,083
Balance (in Shares) at Dec. 31, 2023 673 95        
Unrealized gain on available-for-sale securities            
Net loss             (9,168)
Balance at Sep. 30, 2024 $ 3 177,583 (175,560) 2,026
Balance (in Shares) at Sep. 30, 2024 2,856 87        
Balance at Mar. 31, 2024 $ 2 175,127 (168,423) 6,706
Balance (in Shares) at Mar. 31, 2024 2,289 95        
Sale of common stock 127 127
Sale of common stock (in Shares)   100          
Issuance of common stock upon exercise of warrants $ 1 1
Issuance of common stock upon exercise of warrants (in Shares)   307          
Exchange of exchangeable shares
Exchange of exchangeable shares (in Shares)   8 (8)        
Issuance of common stock under stock plan, net (4) (4)
Issuance of common stock under stock plan, net (in Shares)   2          
Stock-based compensation 1,155 1,155
Net loss (4,425) (4,425)
Balance at Jun. 30, 2024 $ 3 176,405 (172,848) 3,560
Balance (in Shares) at Jun. 30, 2024 2,706 87        
At-the market sales of stock, net 164 164
At-the market sales of stock, net (in Shares)   110          
Shares issued for services 54 54
Shares issued for services (in Shares)   40          
Stock-based compensation 960 960
Unrealized gain on available-for-sale securities            
Net loss (2,712) (2,712)
Balance at Sep. 30, 2024 $ 3 $ 177,583 $ (175,560) $ 2,026
Balance (in Shares) at Sep. 30, 2024 2,856 87