Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating activities
Net loss	$ (4,606)	$ (9,112)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	499	798
Amortization of internally developed software	750	957
Amortization of Intangible Assets, Total	532	690
Loss on disposals of property and equipment and right-of-use assets	14
Amortization of deferred costs to obtain and fulfill contracts	364	605
Unrealized foreign currency (gains) losses	(11)	24
Stock-based compensation related to equity awards and restricted stock	685	1,028
Provision for (recovery from) bad debts	180	(214)
Net change in operating leases	(116)
Changes in operating assets and liabilities
Accounts receivable	2,175	1,451
Prepaid expenses and other assets	(679)	(482)
Accounts payable	(424)	(48)
Accrued expenses and other liabilities	(1,079)	(620)
Net cash used in operating activities	(1,716)	(4,923)
Investing activities
Purchases of property and equipment	(46)	(98)
Capitalization of internally developed software	(482)	(693)
Net cash used in investing activities	(528)	(791)
Financing activities
Payment of principal on finance lease liabilities	(338)	(318)
Employee taxes paid for withheld shares upon equity award settlement	(91)	(26)
Proceeds from employee stock purchase plan, net	55	78
Net cash used in financing activities	(374)	(266)
Effect of foreign exchange rate changes on cash and cash equivalents and restricted cash	(19)	419
Net decrease in cash and cash equivalents and restricted cash	(2,637)	(5,561)
Cash and cash equivalents and restricted cash
Beginning of period	11,503	28,837
End of period	8,866	23,276
Supplemental disclosure of non-cash investing and financing activities
Purchases of property and equipment recorded in accounts payable and accrued expenses	$ 31	$ 14