Segment Reporting and Geographic Information (Balance Sheet and Statement of Cash Flow Information) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Additions to Fixed Assets	$ 1,176	$ 2,116
Assets	129,139		127,947
Network Equipment [Member]
Segment Reporting Information [Line Items]
Additions to Fixed Assets	1,019	2,064
Assets	44,798		48,955
Network Integration [Member]
Segment Reporting Information [Line Items]
Additions to Fixed Assets	74	46
Assets	65,288		54,625
Corporate [Member]
Segment Reporting Information [Line Items]
Additions to Fixed Assets	83	6
Corporate Unallocated and Intersegment Adjustments [Member]
Segment Reporting Information [Line Items]
Assets	$ 19,053		$ 24,367