Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net loss (including noncontrolling interests)	$ (2,878)	$ (2,014)
Adjustments to reconcile net loss to net cash used in operating activities:
Bad debt expense		19
Depreciation and amortization	373	439
Amortization of operating lease right-of-use assets	183	189
Changes in operating assets and liabilities:
Accounts receivable and unbilled revenue, net	588	24
Projects in process	7	(8)
Inventory	(42)	(5)
Prepaid expenses and other current assets	155	118
Accounts payable and accrued expenses	(169)	1
Deferred revenues	33	(14)
Operating lease obligations	(178)	(224)
Net cash used in operating activities	(1,928)	(1,475)
Cash flows from investing activities:
Purchase of property and equipment	(7)	(77)
Net cash used in investing activities	(7)	(77)
Cash flows from financing activities:
Proceeds from short-term borrowings	966
Proceeds from short-term tax credits	542
Principal payments on finance lease obligations	(164)	(272)
Net cash provided by (used in) financing activities	1,344	(272)
Effect of exchange rate changes on cash	7	(93)
Net decrease in cash	(584)	(1,917)
Cash at beginning of period	2,357	6,555
Cash at end of period	1,773	4,638
Supplemental disclosure of cash flow information:
Cash paid for income taxes	19	13
Cash paid for interest	$ 13	$ 19