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Non-Marketable Equity Securities (Tables)
 6 Months Ended
Jun. 30, 2022
Non-Marketable Equity Securities [Abstract]  
Schedule of non-marketable equity securities
　  December 31,
2021		   June 30,
2022		 
Cost  $1,416,185   $1,343,404 
Impairment   (703,255)   (667,112)
Carrying amount  $712,930   $676,292