Quarterly report pursuant to Section 13 or 15(d)

Revenue (Details)

v3.19.3
Revenue (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Disaggregation of Revenue [Line Items]        
Total revenues $ 4,258 $ 10,997 $ 373,948 $ 741,910
Automotive        
Disaggregation of Revenue [Line Items]        
Total revenues 0 0 240,000 523,252
Aviation        
Disaggregation of Revenue [Line Items]        
Total revenues 0 0 0 0
Other        
Disaggregation of Revenue [Line Items]        
Total revenues $ 4,258 $ 10,997 $ 133,948 $ 218,658