Condensed Consolidated Statments of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating activities
Net loss	$ (5,573)	$ (3,743)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	2,515	2,001
Deferred income taxes	(36)	(73)
Foreign currency re-measurement loss	(359)	272
Non-cash interest and other expense	64	27
Non-cash stock compensation expense	694	554
Loss on disposal of business	731	0
Changes in operating assets and liabilities, net of purchase business combinations:
Accounts receivable	1,070	(512)
Prepaids and other	150	(394)
Accounts payable	(623)	859
Accrued expenses and other liabilities	(85)	(807)
Deferred revenue	1,334	1,428
Net cash provided by (used in) operating activities	(118)	(388)
Investing activities
Purchase of property and equipment	(680)	(192)
Purchase of customer relationships	(408)	0
Purchase business combinations, net of cash acquired	(8,102)	(2,820)
Net cash used in investing activities	(9,190)	(3,012)
Financing activities
Payments on capital leases	(519)	(231)
Proceeds from notes payable, net of issuance costs	4,987	0
Payments on notes payable	(309)	(996)
Issuance of common stock, net of issuance costs	18	6
Net cash provided by (used in) financing activities	4,177	(1,221)
Effect of exchange rate fluctuations on cash	243	221
Change in cash and cash equivalents	(4,888)	(4,400)
Cash and cash equivalents, beginning of period	18,473	30,988
Cash and cash equivalents, end of period	13,585	26,588
Supplemental disclosures of cash flow information:
Cash paid for interest	496	323
Cash paid for taxes	2	96
Noncash investing and financing activities:
Equipment acquired pursuant to capital lease obligations	221	578
Issuance of common stock in business combination	$ 5,700	$ 0