Quarterly report pursuant to Section 13 or 15(d)

Schedule of Unrealized Gain or Loss on Short-term Investments (Details)

v3.22.1
Schedule of Unrealized Gain or Loss on Short-term Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Assets [Abstract]    
Debt Securities, Available-for-Sale, Amortized Cost, Current $ 47,775 $ 32,739
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 1 3
Available-for-Sale Securities, Accumulated Gross Unrealized Loss, before Tax (125) (22)
Debt Securities, Available-for-Sale, Current 47,651 32,720
Corporate Debt Securities [Member]    
Assets [Abstract]    
Debt Securities, Available-for-Sale, Amortized Cost, Current 34,291 32,739
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 3
Available-for-Sale Securities, Accumulated Gross Unrealized Loss, before Tax (117) (22)
Debt Securities, Available-for-Sale, Current 34,174 $ 32,720
US Treasury Securities [Member]    
Assets [Abstract]    
Debt Securities, Available-for-Sale, Amortized Cost, Current 13,484  
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax 1  
Available-for-Sale Securities, Accumulated Gross Unrealized Loss, before Tax (8)  
Debt Securities, Available-for-Sale, Current $ 13,477