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Investments and Fair Value Measurements - Investment Category and Length (Details)
1 Months Ended 3 Months Ended 12 Months Ended
May 31, 2023
USD ($)
Mar. 31, 2025
USD ($)
company
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
company
Investments in Privately Held Raw Material Companies        
Investments, equity method   $ 14,642,000   $ 14,066,000
Number of equity method investments | company   3   3
Investments, cost method   $ 551,000   $ 551,000
Investments Excluding Beijing JiYa Semiconductor Material Co., Ltd.        
Investments in Privately Held Raw Material Companies        
Impairment charge on equity investee   0 $ 0  
Emeishan Jia Mei High Purity Metals Co., Ltd Investment        
Investments in Privately Held Raw Material Companies        
Realized gain on adjustment of fair value of investment   $ 383,000    
Percentage of ownership, equity method 25.00% 10.00%    
Percentage of ownership, cost method 10.00% 10.00%   10.00%
Investments, cost method   $ 551,000   $ 551,000
Proceeds from sale of equity method investments $ 827,000      
Gain (loss) recognized on sale   575,000    
Other Assets        
Investments in Privately Held Raw Material Companies        
Investments, equity method   14,600,000   $ 14,100,000
Other noncurrent assets | Emeishan Jia Mei High Purity Metals Co., Ltd Investment        
Investments in Privately Held Raw Material Companies        
Investments, cost method   $ 551,000