XML 53 R32.htm IDEA: XBRL DOCUMENT v3.20.1
Leases - Components of lease cost (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Leases    
Operating lease costs $ 243,892 $ 221,131
Short-term lease costs 4,116 3,957
Total lease costs $ 248,008 $ 225,088