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Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Deficit (Unaudited) - USD ($)
$ in Thousands
Preferred Stock [Member]
Redeemable Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Noncontrolling Interest [Member]
Total
Balance at Dec. 31, 2022 $ 35,442 $ 22 $ 646 $ (38,446)   $ (37,778)
Balance, shares at Dec. 31, 2022 3,323          
Balance, shares at Dec. 31, 2022   2,167        
Stock-based compensation 25   25
Net income (Loss) 2,466   2,466
Issuance of common stock upon exercise of stock options 1   1
Issuance of common stock upon exercise of stock options, shares   15,000        
Balance at Jun. 30, 2023 $ 35,442 $ 22 672 (35,980)   (35,286)
Balance, shares at Jun. 30, 2023 3,323,000          
Balance, shares at Jun. 30, 2023   2,182,000        
Balance at Mar. 31, 2023 $ 35,442 $ 22 648 (36,788)   (36,118)
Balance, shares at Mar. 31, 2023 3,323,000          
Balance, shares at Mar. 31, 2023   2,167,000        
Stock-based compensation 23   23
Net income (Loss) 808   808
Issuance of common stock upon exercise of stock options 1   1
Issuance of common stock upon exercise of stock options, shares   15,000        
Balance at Jun. 30, 2023 $ 35,442 $ 22 672 (35,980)   (35,286)
Balance, shares at Jun. 30, 2023 3,323,000          
Balance, shares at Jun. 30, 2023   2,182,000        
Balance at Dec. 31, 2023 $ 36,404 $ 25 858 (33,177) (32,294)
Balance, shares at Dec. 31, 2023 3,438,000          
Balance, shares at Dec. 31, 2023   2,410,000        
Issuance of common stock upon exercise of Post-Merger Warrants 6,360 6,360
Issuance of common stock upon exercise of post merger warrants, shares   378,000        
Stock-based compensation 511 511
Transactions with noncontrolling interests 3 (3)
Net income (Loss) (9,811) (27) (9,838)
Issuance of common stock upon exercise of stock options $ 1 3 4
Issuance of common stock upon exercise of stock options, shares   64,000        
Issuance of common stock upon conversion of preferred stock $ (36,404) $ 35 36,369 36,404
Issuance of common stock upon conversion of preferred stock, shares (3,438,000) 3,438,000        
Issuance of common stock upon conversion of AgeX-Serina Note $ 6 10,715 10,721
Issuance of common stock upon conversion of note, shares   616,000        
Cancellation of common stock upon consummation of Merger on March 26, 2024 $ (67) (47,833) 37,179 (10,721)
Cancellation of common stock upon consummation of Merger, shares   (6,528,000)        
Fair value of liability classified warrants on March 26, 2024 (1,125) (17,376) (18,501)
Merger and issuance of common stock to Legacy Serina shareholders upon consummation of Merger on March 26, 2024 $ 1 960 $ 961
Merger and issuance of common stock to Legacy Serina shareholders upon consummation of Merger, shares   8,414,000       5,913,277
Balance at Jun. 30, 2024 $ 1 6,821 (23,185) (30) $ (16,393)
Balance, shares at Jun. 30, 2024          
Balance, shares at Jun. 30, 2024   8,792,000        
Balance at Mar. 31, 2024 $ 1 (28,389) (28,388)
Balance, shares at Mar. 31, 2024          
Balance, shares at Mar. 31, 2024   8,414,000        
Issuance of common stock upon exercise of Post-Merger Warrants 6,360 6,360
Issuance of common stock upon exercise of post merger warrants, shares   378,000        
Stock-based compensation 458 458
Transactions with noncontrolling interests 3 (3)
Net income (Loss) 5,204 (27) 5,177
Balance at Jun. 30, 2024 $ 1 $ 6,821 $ (23,185) $ (30) $ (16,393)
Balance, shares at Jun. 30, 2024          
Balance, shares at Jun. 30, 2024   8,792,000