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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Current assets:    
Allowance for uncollectible accounts $ 1,172 $ 6,551
Capitalization:    
Common stock, par value (usd per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 70,000,000 70,000,000
Common stock, shares issued (in shares) 33,629,169 32,023,004
Common stock, shares outstanding (in shares) 33,629,169 32,023,004