Consolidated Financial Statement Components (Tables)

9 Months Ended

Sep. 30, 2018

Depreciation, amortization and accretion expenses consisted of the following for the periods stated:



	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
(Dollars in thousands)	2018			2017			2018			2017
Depreciation
Leasehold improvements	$	60		$	50		$	195		$	175
Asset retirement costs	(74		)	(97		)	(226		)	(292		)
Paging and computer equipment	1,938			1,990			5,608			6,077
Furniture, fixtures and vehicles	100			66			310			207
Total depreciation	2,024			2,009			5,887			6,167
Amortization	625			625			1,875			2,261
Accretion	136			141			406			421
Total depreciation, amortization and accretion expense	$	2,785		$	2,775		$	8,168		$	8,849

Property and equipment, net consisted of the following as of the date stated:



(Dollars in thousands)	Useful Life (In Years)	September 30, 2018			December 31, 2017
Leasehold improvements	shorter of useful life or lease term	$	4,139		$	4,107
Asset retirement costs	1-5	3,272			3,228
Paging and computer equipment	1-5	100,400			103,520
Furniture, fixtures and vehicles	3-5	4,262			4,545
Total property and equipment		112,073			115,400
Accumulated depreciation		(99,418		)	(102,001		)
Total property and equipment, net		$	12,655		$	13,399

Other current liabilities consisted of the following as of the date stated:



(Dollars in thousands)	September 30, 2018		December 31, 2017
Accrued network costs, asset retirement obligations and other	$	2,170	$	2,173
Accrued outside services	1,294		2,437
Total other current liabilities	$	3,464	$	4,610

Other non-current liabilities consisted of the following as of the date stated:



(Dollars in thousands)	September 30, 2018		December 31, 2017
Asset retirement obligations	$	7,462	$	7,174
Other	1,083		901
Total other non-current liabilities	$	8,545	$	8,075