Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating activities
Net loss	$ (9,150)	$ (7,077)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	5,075	4,040
Deferred income taxes	102	335
Foreign currency re-measurement (gain) loss	(261)	292
Non-cash interest and other expense	129	246
Non-cash stock compensation expense	1,564	1,335
Loss on disposal of business	731	0
Changes in operating assets and liabilities, net of purchase business combinations:
Accounts receivable	1,364	1,517
Prepaids and other	549	(36)
Accounts payable	(1,509)	414
Accrued expenses and other liabilities	258	(1,082)
Deferred revenue	2,095	888
Net cash provided by operating activities	947	872
Investing activities
Purchase of property and equipment	(851)	(325)
Purchase of customer relationships	(408)	(372)
Purchase business combinations, net of cash acquired	(11,844)	(2,820)
Net cash used in investing activities	(13,103)	(3,517)
Financing activities
Payments on capital leases	(908)	(481)
Proceeds from notes payable, net of issuance costs	14,987	23,824
Payments on notes payable	(1,122)	(22,833)
Issuance of common stock, net of issuance costs	113	98
Additional consideration paid to sellers of businesses	(1,484)	0
Net cash provided by financing activities	11,586	608
Effect of exchange rate fluctuations on cash	284	101
Change in cash and cash equivalents	(286)	(1,936)
Cash and cash equivalents, beginning of period	18,473	30,988
Cash and cash equivalents, end of period	18,187	29,052
Supplemental disclosures of cash flow information:
Cash paid for interest	1,093	694
Cash paid for taxes	249	322
Noncash investing and financing activities:
Equipment acquired pursuant to capital lease obligations	340	1,085
Issuance of common stock in business combination	$ 5,700	$ 0