Consolidated Financial Statement Components (Tables)

3 Months Ended

Mar. 31, 2017

Supplemental Financial Statement Components [Abstract]

Summary of Depreciation, Amortization and Accretion

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

	For the Three Months Ended March 31,
(Dollars in thousands)	2017			2016
Depreciation
Leasehold improvements	$	50		$	45
Asset retirement costs	(98		)	(70		)
Paging and computer equipment	2,059			2,002
Furniture, fixtures and vehicles	65			80
Total depreciation	2,076			2,057
Amortization	1,007			1,111
Accretion	140			155
Total depreciation, amortization and accretion expense	$	3,223		$	3,323

Property, Plant and Equipment

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

(Dollars in thousands)	Useful Life (In Years)	March 31, 2017			December 31, 2016
Leasehold improvements	lease term	$	3,863		$	3,843
Asset retirement costs	1-5	3,263			3,263
Paging and computer equipment	1-5	112,251			113,175
Furniture, fixtures and vehicles	3-5	4,905			2,852
Total property and equipment		124,282			123,133
Accumulated depreciation		(110,682		)	(110,315		)
Total property and equipment, net		$	13,600		$	12,818

Components of Other Liabilities

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

(Dollars in thousands)	March 31, 2017		December 31, 2016
Accrued outside services	$	929	$	975
Accrued network costs	686		773
Accrued accounting and legal	477		467
Deferred rent and other	263		433
Asset retirement obligations	205		85
Total other current liabilities	$	2,560	$	2,733

Summary of Other Long-Term Liabilities

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

(Dollars in thousands)	March 31, 2017		December 31, 2016
Asset retirement obligations	$	7,448	$	7,472
Deferred rent and other	892		942
Dividends payable	434		507
Total other non-current liabilities	$	8,774	$	8,921