CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities
Net loss	$ (2,069)	$ (2,131)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Depreciation and amortization	595	574
Deferred income taxes	0	96
Loss from interest in joint venture	9	45
Gain on sale of investment in VSK	(212)	0
Provision for doubtful accounts and commission adjustments	63	31
Amortization of debt issue costs	8	8
Share-based compensation	141	219
Changes in operating assets and liabilities:
Accounts and other receivables	4,040	3,361
Receivables due from related parties	0	(114)
Inventories, net	326	(108)
Deferred commission expense	210	(460)
Prepaid expenses and other current assets	163	(22)
Other assets, net	549	379
Accounts payable	(1,828)	(1,039)
Accrued commissions	(541)	(606)
Accrued expenses and other liabilities	(122)	335
Sales tax payable	72	(39)
Deferred revenue	(1,772)	382
Other long-term liabilities	(152)	(167)
Net cash (used in) provided by operating activities	(520)	744
Cash flows from investing activities
Purchases of equipment and software	(279)	(839)
Net cash used in investing activities	(279)	(839)
Cash flows from financing activities
Net borrowings on revolving line of credit	1,437	(189)
Repayment of notes payable and capital lease obligations	(46)	(97)
Net cash provided by (used in) financing activities	1,391	(286)
Effect of exchange rate differences on cash and cash equivalents	3	7
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	595	(374)
Cash and cash equivalents - beginning of period	5,245	7,087
Cash and cash equivalents - end of period	5,840	6,713
SUPPLEMENTAL DISCLOSURE OF CASH INFORMATION
Interest paid	156	160
Income taxes paid	0	4
SUPPLEMENTAL SCHEDULE OF NON-CASH INVESTING AND FINANCING ACTIVITIES
Sale of investment in VSK	676	0
Inventories transferred to property and equipment, net	$ 0	$ 1