Revenue from Contracts with Customers (ASC 606) Revenue from Contracts with Customers (ASC 606) (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Net Sales from Contracts with Customers

The following table summarizes net sales from contracts with customers for the years ended December 31, 2019 and 2018:

	Year Ended December 31,
	2019		2018
Mobile connectivity product, transferred at point in time	$	26,419	$	26,086
Mobile connectivity product, transferred over time (a)	5,204		5,265
Mobile connectivity service	90,392		84,575
Inertial navigation product	30,302		31,926
Inertial navigation service	5,576		5,177
Total net sales	$	157,893	$	153,029

(a) Reflects the correction discussed above.