Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net loss	$ (751)	$ (113)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	2,728	1,565
Shared-based compensation	292	317
Debt discount amortization	139	135
Change in fair value of warrant liability	698	0
Changes in operating assets and liabilities:
Accounts receivable, net	354	774
Deferred contract cost, prepaid expenses, income tax refund receivable and other current assets	1,284	(634)
Other assets	(1,778)	285
Accounts payable	(3,515)	3,538
Accrued expenses and other current liabilities	(1,372)	(2,409)
Deferred revenue and other long-term liabilities	391	(1,785)
Net cash (used in) provided by operating activities	(1,530)	1,673
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired	(12,000)	(14,604)
Purchases of property and equipment	(215)	(306)
Net cash used in investing activities	(12,215)	(14,910)
Cash flows from financing activities:
Principal payments on promissory note	(236)	(244)
(Repayment on) borrowing from line of credit	(3,100)	1,162
Repayment of term loan	(1,000)	(833)
Issuance of term loan	14,500	13,467
Issuance of Plexus note, net of discount	5,436	0
Payment of subordinate notes payable	(105)	0
Issuance of subordinated notes	0	153
Issuance of units offering common shares	0	247
Exercise of stock options	3	0
Net cash provided by financing activities	15,498	13,952
Effect of exchange rate changes on cash	(39)	91
Net increase in cash and cash equivalents	1,714	806
Cash and cash equivalents at beginning of period	3,249	6,562
Cash and cash equivalents at end of period	4,963	7,368
Supplemental disclosure of cash flow information:
Cash paid for interest	1,595	508
Supplemental disclosure of non cash investing and financing activities (Note 4):
Measurement period adjustment related to PacketExchange acquisition	744	0
Adjustment related to August 2010 sales novations	$ 2,885	$ 0