XML 77 R63.htm IDEA: XBRL DOCUMENT v3.21.1
Contract Liabilities (Details) - Schedule of amounts related to contract liabilities - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Schedule of amounts related to contract liabilities [Abstract]    
Balance, beginning of period
Acquired contract liabilities 157,032
Payments received for unearned revenue 418,368
Revenue earned (485,975)
Balance, end of period $ 89,425