XML 56 R44.htm IDEA: XBRL DOCUMENT v3.23.2
Nexperia Arrangement (Details) - USD ($)
1 Months Ended 12 Months Ended
Jul. 16, 2021
Apr. 04, 2018
Jun. 30, 2020
Mar. 31, 2023
Mar. 31, 2022
Jun. 30, 2021
May 18, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
License fees   $ 9,000,000          
Long-term loan facility   15,000,000          
Revenue from product and license fees       $ 16,511,000 $ 24,050,000    
Supply agreement renewal term (in years)       1 year      
Nexperia              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Term after notification of epiwafer qualification of a second source (in years)       2 years      
License and Service              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Revenue from product and license fees $ 8,000,000     $ 0 $ 8,000,000    
Tranche C Loan              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Revolving loan   10,000,000          
Loan and Security Agreement (LSA)              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Long-term loan facility   15,000,000          
Revolving loan   $ 10,000,000          
Interest rate per annum (as a percent)   6.00%          
Repayment of Nexperia debt     $ 5,000,000        
Revenue from product and license fees     $ 5,000,000        
Tranche B-1 Loan              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Long-term loan facility             $ 2,000,000
Repayment of Nexperia debt $ 8,000,000            
Tranche B Loan              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Long-term loan facility           $ 8,000,000  
Series 3 Preferred Stock              
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]              
Issuance of preferred stock   $ 16,000,000