Annual report [Section 13 and 15(d), not S-K Item 405]

Organization and Summary of Significant Accounting Policies (Details)

v3.25.4
Organization and Summary of Significant Accounting Policies (Details)
 12 Months Ended
Dec. 31, 2025
USD ($)
segment
business_activity
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Impairment of intangible assets $ 0 $ 1,237,000 $ 2,438,000
Payment term 30 days    
Stock rotation allowance, term (up to) 6 months    
Delivery term 1 year    
Sales commission assets recognized, term (less than) 1 year    
Right of return, term 6 months    
Warranty reserves $ 49,000 500,000  
Number of operating segments | segment 1    
Number of reportable segments | segment 1    
Number of business activities | business_activity 1    
Research and development arrangement, recognized income $ 6,200,000 $ 3,300,000 $ 14,300,000
Operating lease, term (greater than) 12 months    
Production Masks      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Useful life 5 years    
Minimum      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Useful life 3 years    
Right of return under the general assurance warranty, term 1 year    
Rebate and price protection program, term 1 year    
Product warranty, period 1 year    
Operating lease, term (greater than) 2 years    
Maximum      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Useful life 5 years    
Right of return under the general assurance warranty, term 3 years    
Rebate and price protection program, term 2 years    
Product warranty, period 3 years    
Operating lease, term (greater than) 8 years