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Shareholders' Equity - Shareholders' Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance, beginning of period $ 21,331  
Foreign currency translation adjustment (13) $ (2)
Net loss (2,834) (1,898)
Balance, end of period 19,514 28,344
Common stock and additional paid-in capital [Member]    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance, beginning of period 31,696 46,071
Dividends declared 0 (14,496)
Issuance of common stock, net 1,000 0
Share-based compensation expense 23 26
Proceeds from employee stock purchase plan 7 7
Balance, end of period 32,726 31,608
Accumulated other comprehensive loss [Member]    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance, beginning of period (306) (310)
Unrealized loss on available-for-sale securities, net of tax 0 22
Foreign currency translation adjustment (13) (2)
Balance, end of period (319) (290)
Accumulated deficit [Member]    
AOCI Attributable to Parent, Net of Tax [Roll Forward]    
Balance, beginning of period (10,059) (1,076)
Net loss (2,834) (1,898)
Balance, end of period $ (12,893) $ (2,974)