Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,244)	$ (2,375)
Adjustments to reconcile net loss to net cash and cash equivalents provided by operating activities:
Depreciation and amortization	2,487	2,435
Capitalized software impairment	226
Stock-based compensation expense	331	553
Provision for deferred income taxes	20	(39)
Change in allowance for doubtful accounts	38
Changes in operating assets and liabilities:
Accounts receivable, net	4,522	7,517
Prepaid expenses and other assets	(521)	(942)
Other long-term assets	89
Operating lease right-of-use assets, net	1,231
Accounts payable, accrued expenses and other liabilities	(4,598)	(9,821)
Operating lease liabilities	(1,202)
Deferred revenue	(684)	(872)
Net cash used in operating activities	(305)	(3,544)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(1,325)	(1,924)
Net cash used in investing activities	(1,325)	(1,924)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments on long-term debt and finance leases	(694)	(520)
Proceeds from exercise of common stock options	37	18
Net cash used in financing activities	(657)	(502)
Effect of exchange rate changes on cash and cash equivalents	(140)	(81)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(2,427)	(6,051)
Cash and cash equivalents, beginning of period	15,921	22,476
Cash and cash equivalents, end of period	13,494	16,425
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid for interest	64	92
Cash paid for income taxes	248	106
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Minimum long-term debt and finance lease payments in accounts payable	26	160
Accrued property and equipment expenditures	$ 95	$ 596