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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Allowance on accounts receivable $ 159 $ 123
Property, plant and equipment, accumulated depreciation 26,063 28,897
Intangible assets - accumulated amortization $ 32,336 $ 33,558
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 2,000,000 2,000,000
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 150,000,000 150,000,000
Common stock, shares issued (in shares) 15,388,978 14,990,712
Common stock, shares outstanding (in shares) 15,388,978 14,990,712
Series E Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 39,500 39,500
Preferred stock, shares issued (in shares) 25,000 25,000
Preferred stock, shares outstanding (in shares) 25,000 25,000
Aggregate liquidation preference $ 41,966