XML 53 R42.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue (Details) - License Agreement [Member]
9 Months Ended
Sep. 30, 2020
USD ($)
Revenue (Details) [Line Items]  
Term of agreement The term of the agreement is 50 years, with annual royalty fees due from Qifeng after the end of each calendar year.
Royalty fees $ 6,600,000
Revenue $ 570,000