Quarterly report pursuant to Section 13 or 15(d)

Schedule of Estimated Fair Value of Financial Instrument (Details)

v3.22.2.2
Schedule of Estimated Fair Value of Financial Instrument (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Cost $ 18,397 $ 23,040
Unrealized gains
Unrealized losses (30) (29)
Fair value 18,367 23,011
Short-Term Investments [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Cost 18,397 23,040
Unrealized gains
Unrealized losses (30) (29)
Fair value $ 18,367 $ 23,011