Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Amortized cost $ 10,109 $ 12,838
Allowance $ 226 $ 189
Preferred stock, par value (in dollars per share) $ 0.001  
Preferred stock, shares authorized (in shares) 9,943,999 9,943,999
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 190,000,000 190,000,000
Common stock, shares, issued (in shares) 35,426,663 35,323,217
Common stock, shares outstanding (in shares) 35,351,190 35,247,744
Treasury stock, shares (in shares) 75,473 75,473
0% Series A Convertible Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 6,000 6,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Preferred stock, dividend rate 0.00% 0.00%
Series B Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 1 1
Preferred stock, shares issued (in shares) 1 1
Preferred stock, shares outstanding (in shares) 1 1
Series C Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 50,000 50,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0