XML 35 R104.htm IDEA: XBRL DOCUMENT v3.19.3
14) Revenues From Contracts With Customers (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Details        
Revenue recognized included in the opening contract liability $ 884,180 $ 724,097 $ 2,515,278 $ 2,079,157