Revenue (Tables)

3 Months Ended

Mar. 31, 2020

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 March 31,
	2020		2019
Automotive	$	—	$	240,000
Aviation	60,783		—
Other	23,517		124,182
Total revenues	$	84,300	$	364,182