Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities:
Net loss	$ (4,530)	$ (3,562)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	699	774
Stock-based compensation	210	413
Accretion of debt discount and issuance costs	746	111
Change in fair value of warrant liability	(387)	78
Deferred income taxes	(37)	(33)
Changes in operating assets and liabilities:
Receivables	1,645	2,896
Contract assets	14	0
Income taxes receivable / payable	(62)	148
Prepaid expenses and other assets	(317)	(23)
Accounts payable and other accrued liabilities	(444)	(367)
Accrued compensation	0	(245)
Deferred revenue	603	178
Deferred rent	(75)	(75)
Other non-current liabilities	186	0
Net cash provided by (used in) operating activities	(1,749)	293
Investing activities:
Purchases of property and equipment	(2)	(14)
Net cash used in investing activities	(2)	(14)
Proceeds from term loan and warrant issuance	10,000	0
Principal payments on term loan	(8,000)	0
Financing activities:
Principal payments on financing obligations	(99)	(125)
Payment for term loan issuance costs	(1,308)	(125)
Common stock repurchases to settle employee withholding liability	(19)	0
Net cash provided by (used in) financing activities	574	(250)
Effect of exchange rate changes on cash	45	18
Net increase (decrease) in cash and cash equivalents	(1,132)	47
Cash and cash equivalents, end of period	6,558	10,411
Supplemental disclosures of net cash paid (received) during the period:
Income taxes, net	6	(125)
Interest, net	$ 33	$ 208