CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues:
Data center services	$ 39,938	$ 31,542
Internet protocol (IP) services	27,090	27,862
Total revenues	67,028	59,404
Direct costs of network, sales and services, exclusive of depreciation and amortization, shown below:
Data center services	20,970	18,530
IP services	10,184	10,500
Direct costs of customer support	6,728	5,110
Direct costs of amortization of acquired technologies	1,179	875
Sales and marketing	8,090	7,833
General and administrative	10,227	9,129
Depreciation and amortization	7,915	8,053
(Gain) loss on disposal of property and equipment, net	(16)	73
Restructuring	43	189
Total operating costs and expenses	65,320	60,292
Income (loss) from operations	1,708	(888)
Non-operating expense (income):
Interest expense	1,581	648
Other, net	45	38
Total non-operating expense (income)	1,626	686
Income (loss) before income taxes and equity in (earnings) of equity-method investment	82	(1,574)
Provision for income taxes	35	73
Equity in (earnings) of equity-method investment, net of taxes	(60)	(147)
Net income (loss)	107	(1,500)
Other comprehensive income:
Foreign currency translation adjustment	85	200
Comprehensive income (loss)	$ 192	$ (1,300)
Basic and diluted net income (loss) per share	$ 0.00	$ (0.03)
Weighted average shares outstanding used in computing basic net income (loss) per share	50,336	50,124
Weighted average shares outstanding used in computing diluted net income (loss) per share	51,033	50,124