XML 32 R23.htm IDEA: XBRL DOCUMENT v3.22.1
Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible assets
   March 31,   December 31, 
   2022   2021 
Gross carrying amount  $5,317,829   $5,294,892 
Accumulated amortization   (5,179,031)   (5,147,051)
Net carrying amount  $138,798   $147,841