Condensed Consolidated Statements of Cash Flows (Unaudited) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)
Cash flows from operating activities:
Net income (loss)	$ (3,266)	$ (2,125)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	7,820	5,628
Amortization of deferred loan costs	53	76
Noncash interest expense	803	0
Stock-based compensation expense	4,159	5,362
Change In Fair Value Of Contingent Consideration	(1,640)	0
Foreign currency transaction losses (gains) on short-term intercompany balances	730	(1,927)
Deferred income taxes	169	0
Foreign currency transaction losses (gains) on short-term intercompany balances	730	(1,927)
Changes in operating assets and liabilities, net of business acquisitions:
Restricted cash	(59)	(62)
Billed receivables	496	(1,437)
Unbilled receivables	54	724
Prepaid expenses and other current assets	962	(1,258)
Other assets	(254)	342
Accounts payable and accrued expenses	(2,838)	2,180
Accrued payroll and related expenses	(3,384)	(2,499)
Refund liabilities	(311)	(163)
Deferred revenue	(256)	397
Long-term incentive compensation payout	(6,378)	0
Other long-term liabilities	(348)	(1,681)
Net cash (used in) provided by operating activities	(3,488)	3,557
Cash flows from investing activities:
Business acquisition, net of cash acquired	19	(10,128)
Purchases of property and equipment, net of disposal proceeds	(7,899)	(6,433)
Net cash used in investing activities	(7,880)	(16,561)
Cash flows from financing activities:
Proceeds from credit facility	17,500	12,500
Business Acquisitions, Payment Of Earnout Liability	(4,000)	0
Business Acquisition Obligation Current	(3,992)
Repayments of credit facility	(13,500)	(2,500)
Payments of Loan Costs	(38)	(157)
Restricted stock repurchased from employees for withholding taxes	(1,275)	(100)
Proceeds from option exercises	4,154	862
Net cash provided by financing activities	2,841	10,605
Effect of exchange rates on cash and cash equivalents	187	(1,392)
Net decrease in cash and cash equivalents	(8,340)	(3,791)
Cash and cash equivalents at beginning of period	18,823	15,723
Cash and cash equivalents at end of period	10,483	11,932
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	223	146
Cash paid during the period for income taxes, net of refunds received	$ 895	$ 668