Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consisted of the following (in thousands):

	December 31,
	2017			2016			Estimated Useful Life
Network equipment and software	$	7,787		$	10,588		3 to 5 Years
Computer equipment and software	3,165			3,059			3 to 4 Years
Leasehold improvements	87			87			(*)
Office furniture and equipment	268			269			5 to 10 Years
	11,307			14,003
Accumulated depreciation and amortization	(10,148		)	(11,800		)
Property and equipment, net	$	1,159		$	2,203

(*) – Amortized over the shorter period of the estimated useful life (five years) or the lease term.