CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities
Net loss	$ (11,882)	$ (38,882)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Impairment of goodwill	0	14,740
Depreciation	1,475	2,185
Amortization of internally developed software	2,762	2,871
Amortization of intangible assets	1,468	1,939
Loss on disposals of property and equipment and right-of-use assets	13	3
Amortization of deferred costs to obtain and fulfill contracts	1,240	1,624
Unrealized foreign currency gains	(52)	(12)
Stock-based compensation expense related to equity awards	2,100	2,933
Provision for bad debts	(47)	(194)
Net change in operating leases	(421)	0
Changes in operating assets and liabilities:
Accounts receivable	3,728	3,773
Prepaid expenses and other assets	1	(824)
Accounts payable	(774)	(751)
Accrued expenses and other liabilities	737	(181)
Net cash provided by (used in) operating activities	348	(10,776)
Investing activities
Purchases of property and equipment	(92)	(580)
Proceeds from disposals of property and equipment	0	3
Capitalization of internally developed software	(1,874)	(1,693)
Net cash used in investing activities	(1,966)	(2,270)
Financing activities
Proceeds from issuance of common shares through at-the-market offering, net of offering costs of $203	1,504	0
Payment of principal on finance lease liabilities	(986)	(971)
Employee taxes paid for withheld shares upon equity award settlement	(295)	(137)
Proceeds from employee stock purchase plan, net	123	249
Net cash provided by (used in) financing activities	346	(859)
Effect of foreign exchange rate changes on cash and cash equivalents and restricted cash	(93)	(242)
Net decrease in cash and cash equivalents and restricted cash	(1,365)	(14,147)
Cash and cash equivalents and restricted cash
Beginning of period	11,503	28,837
End of period	10,138	14,690
Supplemental disclosure of non-cash investing and financing activities
Purchases of property and equipment recorded in accounts payable and accrued expenses	318	2
Issuance of common stock under employee stock purchase plan	$ 88	$ 172