Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.24.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2023
Dec. 31, 2022
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 48,043,098 47,992,588
Common stock, shares issued (in shares) 35,838,442 35,050,397
Common stock, shares outstanding (in shares) 35,838,442 35,050,397
Series D Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25.00 $ 25.00
Preferred stock, shares authorized (in shares) 3,600,000 3,600,000
Preferred stock, shares issued (in shares) 2,415,000 2,415,000
Preferred stock, shares outstanding (in shares) 2,415,000 2,415,000
Series B Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25.00 $ 25.00
Preferred stock, shares authorized (in shares) 6,456,065 6,456,065
Preferred stock, shares issued (in shares) 5,956,065 5,956,065
Preferred stock, shares outstanding (in shares) 5,956,065 5,956,065
Series C Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25.00 $ 25.00
Preferred stock, shares authorized (in shares) 25,902,437 25,951,347
Preferred stock, shares issued (in shares) 10,156,509 10,191,353
Preferred stock, shares outstanding (in shares) 10,156,509 10,191,353
Series E Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, liquidation preference (in dollars per share) $ 25.00 $ 25.00
Preferred stock, shares authorized (in shares) 15,998,400 16,000,000
Preferred stock, shares issued (in shares) 235,841 16,000,000
Preferred stock, shares outstanding (in shares) 235,841 16,000,000