Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (7,263)	$ (6,730)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	10,645	8,649
Gain on sale of fixed assets	20
Provision for doubtful accounts	53	81
Provision for excess and obsolete inventory	75	6
Deferred income taxes	125	(340)
Stock based compensation expense	3,446	2,509
Non-cash compensation expense	131	38
Changes in operating assets and liabilities:
Restricted cash	34	(31)
Accounts receivable	13,077	12,178
Inventories	1,690	(514)
Prepaid expenses, other receivables and other assets	4,563	940
Deferred rent	(421)	(21)
Accounts payable, deferred revenue, accrued expenses and other liabilities	(18,471)	(6,397)
Net cash provided by operating activities	7,704	10,368
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(3,468)	(4,329)
Acquisitions, net of cash acquired	(33,665)	(5,216)
Net cash used in investing activities	(37,133)	(9,545)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock	1,328	1,018
Decrease (Increase) in restricted cash	434	(40)
Payments on capital lease obligations	(1,687)	(1,879)
Payments on debt, net	(6,306)	(1,895)
Borrowing on term debt	10,000
Borrowings on revolver	30,000
Payments on revolver	(7,800)
Debt issuance costs	(634)
Net cash used in financing activities	25,335	(2,796)
EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS	(1,034)	(944)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(5,128)	(2,917)
CASH AND CASH EQUIVALENTS, beginning of period	18,128	22,418
CASH AND CASH EQUIVALENTS, end of period	13,000	19,501
Non-cash investing and financing activities:
Property and equipment acquired under long-term debt and capital leases	$ 3,703	$ 4,041