Quarterly report [Sections 13 or 15(d)]

Condensed Consolidated Statements of Changes in Stockholders' Equity

v3.26.1
Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Non-Controlling Interests
Total
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        
Exchange 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 and warrant exercises     44,908     44,908
Partner companies' 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)
Exercise of warrants     17     17
Exercise of warrants (in shares)   10,000        
Partner company's exercise of options for cash     75     75
Non-controlling interest in partner companies     (48,724)   48,724  
Attributable to non-controlling interest         (14,107) (14,107)
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        
Balance at Dec. 31, 2025 $ 3 $ 31 783,891 (734,052) 12,310 62,183
Balance (in shares) at Dec. 31, 2025 3,427,138 31,364,094        
Stock-based compensation expense     1,756     1,756
Issuance of common stock related to equity plans   $ 1 (1)      
Issuance of common stock related to equity plans (in shares)   1,128,281        
Exchange of partner company preferred shares     (165)     (165)
Issuance of common stock under partner company's ESPP     148     148
Exercise of warrants   $ 1 1,217     1,218
Exercise of warrants (in shares)   694,296        
Partner company's exercise of options for cash     72     72
Non-controlling interest in partner companies     (1,067)   1,067  
Attributable to non-controlling interest         26,789 26,789
Attributable to common stockholders       110,373   110,373
Balance at Mar. 31, 2026 $ 3 $ 33 $ 785,851 $ (623,679) $ 40,166 $ 202,374
Balance (in shares) at Mar. 31, 2026 3,427,138 33,186,671