Quarterly report pursuant to Section 13 or 15(d)

Schedule of Fair Value Hierarchy Financial Assets (Details)

v3.22.2.2
Schedule of Fair Value Hierarchy Financial Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets $ 23,706 $ 28,495
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets 5,339 5,484
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets 18,367 23,011
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets
Money Market Funds [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets 5,339 5,484
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets 5,339 5,484
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets
Corporate Notes And Commercial Paper [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets 18,367 23,011
Corporate Notes And Commercial Paper [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets
Corporate Notes And Commercial Paper [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets 18,367 23,011
Corporate Notes And Commercial Paper [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]    
Total financial assets