XML 42 R33.htm IDEA: XBRL DOCUMENT v3.21.2
Commitments and Contingencies (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Commitments and Contingencies Disclosure [Abstract]        
Rent expense $ 3,000 $ 3,000 $ 6,000 $ 6,000