UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME LOSS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues:
Data center services	$ 42,139	$ 34,114	$ 123,570	$ 98,137
Internet protocol (IP) services	25,990	27,900	80,274	83,691
Total revenues	68,129	62,014	203,844	181,828
Direct costs of network, sales and services, exclusive of depreciation and amortization, shown below:
Data center services	23,539	20,480	67,158	58,743
IP services	10,034	10,307	30,210	31,643
Direct costs of customer support	6,898	5,407	20,108	15,892
Direct costs of amortization of acquired technologies	1,179	875	3,538	2,625
Sales and marketing	7,569	7,314	23,973	22,878
General and administrative	8,985	8,333	29,886	24,911
Depreciation and amortization	9,885	9,647	26,463	26,468
(Gain) loss on disposal of property and equipment, net		(47)	(19)	37
Restructuring and impairments	124	123	812	1,615
Total operating costs and expenses	68,213	62,439	202,129	184,812
(Loss) income from operations	(84)	(425)	1,715	(2,984)
Non-operating expenses:
Interest expense	1,996	1,166	5,335	2,688
Other, net	118	20	413	107
Total non-operating expenses	2,114	1,186	5,748	2,795
Loss before income taxes and equity in (earnings) of equity-method investment	(2,198)	(1,611)	(4,033)	(5,779)
Provision for income taxes	289	275	503	454
Equity in (earnings) of equity-method investment, net of taxes	(37)	(98)	(197)	(333)
Net loss	(2,450)	(1,788)	(4,339)	(5,900)
Other comprehensive income:
Foreign currency translation adjustment, net of taxes	221	12	192	232
Comprehensive loss	$ (2,229)	$ (1,776)	$ (4,147)	$ (5,668)
Basic and diluted net loss per share (in dollars per share)	$ (0.05)	$ (0.04)	$ (0.09)	$ (0.12)
Weighted average shares outstanding used in computing basic and diluted net loss per share (in shares)	50,572	50,217	50,656	50,360