XML 42 R28.htm IDEA: XBRL DOCUMENT v3.21.2
Cash and Cash Equivalents (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Level 1 [Member] | Money Market Funds [Member]    
Assets, Fair Value Disclosure [Abstract]    
Cash and cash equivalent $ 0 $ 3,038,612