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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2022
Accounting Policies [Abstract]  
Schedule of marketable security measured at fair value
               
   Level 1   Level 2   Total Fair Value 
Marketable investments:               
Corporate Bonds  $29,883   $14,349   $44,232 
U.S. Treasury   23,394        23,394 
Mortgage-Backed       6,653    6,653 
U.S. agency and government sponsored securities       13,239    13,239 
U.S. states and municipalities       11,219    11,219 
Asset-Backed       2,564    2,564 
Total  $53,277   $48,024   $101,301