Restructuring and Asset Impairment Charges (Tables)

12 Months Ended

Dec. 31, 2019

Restructuring and Related Activities [Abstract]

Summary of Restructuring Activity

The following table presents accrued restructuring activity for the years ended December 31, 2019 and 2018.

	Employee severance and termination benefits
Accrued restructuring balance as of December 31, 2017	$	—
Restructuring expenses	4,683
Cash payments	(4,341		)
Accrued restructuring balance as of December 31, 2018	342
Cash payments	(342		)
Accrued restructuring balance as of December 31, 2019	$	—

Schedule of Results of Operations of Wireless

The following financial information presents the results of operations of Wireless for the years ended December 31, 2019, 2018 and 2017:

	Years Ended December 31,
	2019			2018			2017
Revenues:
Recurring and other revenue	$	2,808		$	6,870		$	9,504
Activation fees	—			—			89
Total revenues	2,808			6,870			9,593
Costs and expenses:
Operating expenses	5,455			8,295			9,990
Selling expenses	137			674			194
General and administrative expenses	5,291			15,547			12,167
Depreciation and amortization	68			102			23
Total costs and expenses	10,951			24,618			22,374
Loss from operations	(8,143		)	(17,748		)	(12,781		)
Other expenses (income):
Interest expense	—			2			2,354
Other income, net	(2,100		)	(52,021		)	(37		)
Net (loss) income	$	(6,043	)	$	34,271		$	(15,098	)