Quarterly report [Sections 13 or 15(d)]

Unaudited Condensed Consolidated Statement of Changes in Stockholders' Equity (Deficit)

v3.25.1
Unaudited Condensed Consolidated Statement of Changes in Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Non-Controlling Interests
Total
Balance at Dec. 31, 2023 $ 3 $ 15 $ 717,396 $ (694,870) $ (20,957) $ 1,587
Balance (in shares) at Dec. 31, 2023 3,427,138 15,093,053        
Stock-based compensation expense     4,857     4,857
Issuance of common stock related to equity plans (in shares)   461,468        
Issuance of common stock for public offering, net   $ 4 10,115     10,119
Issuance of common stock for public offering, net (in shares)   3,303,305        
Issuance of common stock for at-the-market offering, net     894     894
Issuance of common stock for at-the-market offering, net (in shares)   462,200        
Common shares issued for dividend on partner company's convertible preferred shares     68     68
Common shares issued for dividend on partner company's convertible preferred shares (in shares)   37,817        
Preferred A dividends declared and paid     (2,008)     (2,008)
Partner companies' offerings, net     12,636     12,636
Issuance of common stock under partner company's ESPP     133     133
Partner company's dividends declared and paid     (176)     (176)
Partner company's exercise of options and warrants for cash, net     5,461     5,461
Exercise of warrants for cash     30     30
Exercise of warrants for cash (in shares)   17,500        
Non-controlling interest in partner companies     (17,600)   17,600  
Net loss attributable to non-controlling interest         (23,605) (23,605)
Net loss attributable to common stockholders       (15,417)   (15,417)
Balance at Mar. 31, 2024 $ 3 $ 19 733,290 (710,287) (26,962) (3,937)
Balance (in shares) at Mar. 31, 2024 3,427,138 19,375,343        
Balance at Dec. 31, 2024 $ 3 $ 28 763,573 (740,867) (24,381) (1,644)
Balance (in shares) at Dec. 31, 2024 3,427,138 27,908,839        
Stock-based compensation expense     6,289     6,289
Issuance of common stock related to equity plans   $ 1 (1)      
Issuance of common stock related to equity plans (in shares)   1,096,564        
Redemption of partner company preferred shares     (150)     (150)
Issuance of common stock for at-the-market offering, net   $ 1 1,008     1,009
Issuance of common stock for at-the-market offering, net (in shares)   539,563        
Partner companies' offerings, net + warrant exercises     44,908     44,908
Partner company's at-the-market offering, net     6,740     6,740
Issuance of common stock under partner company's ESPP     99     99
Partner company's dividends declared and paid     (166)     (166)
Partner companies' proceeds from options     75     75
Exercise of warrants for cash     17     17
Exercise of warrants for cash (in shares)   10,000        
Non-controlling interest in partner companies     (48,724)   48,724  
Net loss attributable to non-controlling interest         (14,107) (14,107)
Net loss attributable to common stockholders       (10,584)   (10,584)
Balance at Mar. 31, 2025 $ 3 $ 30 $ 773,668 $ (751,451) $ 10,236 $ 32,486
Balance (in shares) at Mar. 31, 2025 3,427,138 29,554,966