Quarterly report pursuant to Section 13 or 15(d)

Revenue (Tables)

v3.19.3
Revenue (Tables)
9 Months Ended
Sep. 30, 2019
Revenue from Contract with Customer [Abstract]  
Schedule of disaggregation of revenue
Our revenues related to the following types of business were as follows:
Three Months Ended September 30, Nine Months Ended
September 30,
2019 2018 2019 2018
Automotive $ —    $ —    $ 240,000    $ 523,252   
Aviation —    —    —    —   
Other 4,258    10,997    133,948    218,658   
Total revenues $ 4,258    $ 10,997    $ 373,948    $ 741,910