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Contract Liability (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of revenue from contracts with customers [Abstract]  
Contract liability balances
Our contract liability balance at December 31, which we expect to record in revenue over the next five years, is as follows:
20212020
Balance, beginning of year$6,730,287 $6,730,287 
Regional licensing agreement — 
Revenue recognized  — 
Balance, end of year$6,730,287 $6,730,287 
Contract liability - current — 
Contract liability - non-current6,730,287 6,730,287 
$6,730,287 $6,730,287