Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Schedule of operations by geographic segment

Net sales and operating (loss) income for the Company's reporting segments and the Company's loss before income tax expense for the three months ended March 31, 2020 and 2019 were as follows:

	Three Months Ended March 31,
	2020		2019
Net sales:
Mobile connectivity	$	28,896	$	28,914
Inertial navigation	7,672		7,462
Consolidated net sales	$	36,568	$	36,376
Operating (loss) income:
Mobile connectivity	$	(2,299)	$	(1,444)
Inertial navigation	(821)		443
Subtotal	(3,120)		(1,001)
Unallocated, net	(4,528)		(5,233)
Loss from operations	(7,648)		(6,234)
Net interest and other income (expense)	1,811		(307)
Loss from continuing operations before income tax expense (benefit)	$	(5,837)	$	(6,541)

Depreciation expense and amortization expense for the Company's reporting segments for the three months ended March 31, 2020 and 2019 were as follows:

	Three Months Ended March 31,
	2020		2019
Depreciation expense:
Mobile connectivity	$	1,958	$	1,670
Inertial navigation	293		286
Unallocated	151		137
Total consolidated depreciation expense	$	2,402	$	2,093
Amortization expense:
Mobile connectivity	$	248	$	248
Inertial navigation	—		—
Unallocated	—		—
Total consolidated amortization expense	$	248	$	248