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Non-Marketable Equity Securities (Tables)
 3 Months Ended
Mar. 31, 2022
Non-Marketable Equity Securities [Abstract]  
Schedule of non-marketable equity securities
　  December 31,
2021		   March 31,
2022		 
Cost  $1,416,185   $1,419,312 
Impairment   (703,255)   (704,808)
Carrying amount  $712,930   $714,504