Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net loss (including noncontrolling interests)	$ (3,213)	$ (3,026)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense		29
Bad debt expense	20
Depreciation and amortization	650	785
Amortization of operating lease right-of-use assets	298
Changes in operating assets and liabilities:
Accounts receivable and unbilled revenue, net	(128)	866
Projects in process	(8)	1
Inventory	(8)	(198)
Prepaid expenses and other current assets	(76)	116
Accounts payable and accrued expenses	(30)	(91)
Deferred revenues	(16)	(757)
Operating lease obligations	(362)
Net cash used in operating activities	(2,873)	(2,275)
Cash flows from investing activities:
Purchase of property and equipment	(89)	(184)
Net cash used in investing activities	(89)	(184)
Cash flows from financing activities:
Principal payments on finance lease obligations	(403)	(413)
Net cash used in financing activities	(403)	(413)
Effect of exchange rate changes on cash	(165)	(235)
Net decrease in cash	(3,530)	(3,107)
Cash at beginning of period	6,555	5,796
Cash at end of period	3,025	2,689
Supplemental disclosure of cash flow information:
Cash paid for income taxes	15	13
Cash paid for interest	27	39
Supplemental disclosure of non-cash investing and financing activities:
Purchase of equipment with capital lease obligations		$ 169