v3.26.1
Note 8 - Bank Loans and Line of Credit (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Feb. 28, 2025
Jan. 31, 2024
Nov. 30, 2025
Dec. 31, 2023
Dec. 31, 2025
Dec. 31, 2024
Jan. 30, 2024
Proceeds from Lines of Credit   $ 5,800          
Long-Term Line of Credit, Noncurrent         $ 5,200    
Line of Credit, Current         62,800    
Short-Term Debt         58,550 $ 45,963  
Long-Term Debt, Current Maturities         4,300    
February 2025 Bank Loan [Member] | Unsecured Debt [Member]              
Debt Instrument, Interest Rate, Stated Percentage 3.20%            
Debt Instrument, Face Amount $ 2,700            
Debt Instrument, Term (Month) 14 months            
Short Term Loan, Noncontrolling Interest [Member] | February 2025 Bank Loan [Member]              
Short-Term Debt         2,700    
Chao Yang Tongmei High Purity Semiconductor Materials Co Ltd. [Member] | Other Noncurrent Liabilities [Member]              
Long-Term Line of Credit, Noncurrent         4,700    
Chao Yang Tongmei High Purity Semiconductor Materials Co Ltd. [Member] | Short Term Loan, Noncontrolling Interest [Member]              
Line of Credit, Current         700    
Short-Term Debt         600    
ChaoYang XinMei [Member]              
Debt Instrument, Face Amount       $ 2,100      
Debt Instrument, Option to Repurchase Production Line and Related Equipment       $ 14      
Chao Yang Jin Mei Gallium [Member] | The September and November 2025 BanK Loan [member] | Secured Debt [Member]              
Debt Instrument, Interest Rate, Stated Percentage     3.10%        
Debt Instrument, Face Amount     $ 700        
Debt Instrument, Term (Month)     4 years        
Chao Yang Jin Mei Gallium [Member] | Other Noncurrent Liabilities [Member]              
Long-Term Debt         500    
Chao Yang Jin Mei Gallium [Member] | Short Term Loan, Noncontrolling Interest [Member]              
Short-Term Debt         $ 200    
Line of Credit [Member]              
Line of Credit Facility, Maximum Borrowing Capacity             $ 9,700
Long-Term Debt, Term (Year)             5 years
Debt Instrument, Interest Rate, Stated Percentage             6.50%