XML 72 R61.htm IDEA: XBRL DOCUMENT v3.22.2.2
Fair Value Measures (Details) - Schedule of amortized cost and estimated fair value of marketable securities - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2021
Current marketable securities (due within 1 year)    
Amortized cost $ 381 $ 44,550
Unrealized loss (10) (81)
Estimated fair value 371 44,469
Corporate bonds [Member]    
Current marketable securities (due within 1 year)    
Amortized cost 381 34,589
Unrealized loss (10) (72)
Estimated fair value $ 371 34,517
Municipal Bonds [Member]    
Current marketable securities (due within 1 year)    
Amortized cost   9,961
Unrealized loss   (9)
Estimated fair value   $ 9,952