Quarterly report pursuant to Section 13 or 15(d)

Unaudited Condensed Consolidated Statements of Changes in Stockholders' Equity

v3.23.1
Unaudited Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Preferred Stock
Common Stock
Paid-In Capital
Accumulated Deficit
Non-Controlling Interests
Total
Balance at Dec. 31, 2021 $ 3 $ 101 $ 656,033 $ (547,463) $ 117,203 $ 225,877
Balance (in shares) at Dec. 31, 2021 3,427,138 101,435,505        
Stock-based compensation expense     5,563     5,563
Issuance of common stock related to equity plans   $ 3 $ (3)      
Issuance of common stock related to equity plans (in shares)   2,469,969        
Issuance of common stock for at-the-market offering, net   $ (2)       (4,226)
Issuance of common stock for at-the-market offering, net (in shares)   2,416,401 4,224,000      
Preferred A dividends declared and paid     $ (2,008)     (2,008)
Partner company's at-the-market offering, net     (10,783)     (10,783)
Issuance of common stock under partner company's ESPP     (116)     (116)
Partner company's dividends declared and paid     (187)     (187)
Partner company's net settlement of shares withheld for taxes     (1,698)     (1,698)
Partner company's warrants issued in conjunction with debt     384     384
Non-controlling interest in partner companies     $ (12,234)   12,234  
Net loss attributable to non-controlling interest         (33,718) (33,718)
Net loss attributable to common stockholders       (15,760)   (15,760)
Balance at Mar. 31, 2022 $ 3 $ 106   (563,223) 95,719 193,578
Balance (in shares) at Mar. 31, 2022 3,427,138 106,321,875 660,973,000      
Balance at Dec. 31, 2022 $ 3 $ 110 $ 675,841 (634,233) 8,304 50,025
Balance (in shares) at Dec. 31, 2022 3,427,138 110,494,245        
Stock-based compensation expense     4,731     4,731
Issuance of common stock related to equity plans   $ 3 (3)      
Issuance of common stock related to equity plans (in shares)   2,675,122        
Issuance of common stock for public offering, net   $ 17 13,177     13,194
Issuance of common stock for public offering, net (in shares)   16,642,894        
Issuance of common stock for at-the-market offering, net     447     447
Issuance of common stock for at-the-market offering, net (in shares)   604,900        
Preferred A dividends declared and paid     (2,008)     (2,008)
Partner company's offering, net     7,518     7,518
Partner company's dividends declared and paid     (186)     (186)
Issuance of partner company's common shares for research and development expenses     1,230     1,230
Partner company's warrants issued in conjunction with debt           0
Non-controlling interest in partner companies     (7,314)   7,314  
Net loss attributable to non-controlling interest         (33,608) (33,608)
Net loss attributable to common stockholders       (21,537)   (21,537)
Balance at Mar. 31, 2023 $ 3 $ 130 $ 693,433 $ (655,770) $ (17,990) $ 19,806
Balance (in shares) at Mar. 31, 2023 3,427,138 130,417,161