CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating activities
Net loss	$ (6,126)	$ (4,413)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Depreciation	1,336	1,665
Amortization of internally developed software	788	681
Amortization of intangible assets	730	826
(Gain) loss on disposal of property and equipment	(1)	1
Unrealized foreign currency (gains) losses	(12)	7
Noncash interest expense related to debt agreements	6	7
Stock-based compensation related to equity awards and restricted stock	1,842	3,822
Provision for bad debts	416	195
Deferred income tax benefits	18	0
Payment of contingent consideration for prior acquisition	0	(93)
Changes in operating assets and liabilities
Accounts receivable	2,439	(2,204)
Prepaid expenses and other current assets	(1,418)	0
Other assets	1	(6)
Accounts payable	(49)	(331)
Deferred revenues	167	122
Accrued expenses and other current liabilities	(915)	323
Net cash (used in) provided by operating activities	(778)	602
Investing activities
Purchases of property and equipment	(169)	(267)
Proceeds from disposal of property and equipment	1	0
Capitalization of internally developed software	(543)	(1,493)
Net cash used in investing activities	(711)	(1,760)
Financing activities
Repayment of notes payable	(249)	(646)
Proceeds from exercise of common stock options	0	162
Proceeds from employee stock purchase plan, net	136	384
Net cash used in financing activities	(113)	(100)
Effect of foreign exchange rate changes on cash and cash equivalents and restricted cash	181	169
Net decrease in cash and cash equivalents and restricted cash	(1,421)	(1,089)
Beginning of period	35,713	37,326
End of period	34,292	36,237
Supplemental disclosure of noncash investing and financing activities
Purchases of property and equipment recorded in accounts payable and accrued expenses	$ 12	$ 4