Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Amortized cost $ 12,838 $ 90,321
Preferred stock, shares authorized (in shares) 9,943,999 9,993,999
Preferred stock, shares issued (in shares) 0 0
Preferred stock, par value (in dollars per share) $ 0.001  
Preferred stock, shares outstanding (in shares) 0 0
Common stock, shares authorized (in shares) 190,000,000 40,000,000
Common stock, shares, issued (in shares) 35,323,217 31,961,185
Common stock, shares outstanding (in shares) 35,247,744 31,918,552
Treasury stock, shares (in shares) 75,473 42,633
0% Series A Convertible Preferred Stock    
Preferred stock, dividend rate 0.00% 0.00%
Preferred stock, shares authorized (in shares) 6,000 6,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares outstanding (in shares) 0 0
Series B Preferred Stock    
Preferred stock, shares authorized (in shares) 1 1
Preferred stock, shares issued (in shares) 1 1
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares outstanding (in shares) 1 1
Series C Preferred Stock    
Preferred stock, shares authorized (in shares) 50,000 50,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares outstanding (in shares) 0 0