Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net loss (including noncontrolling interests)	$ (969)	$ (1,399)
Adjustments to reconcile net loss to net cash (used in) operating activities:
Stock-based compensation expense	20	114
Loss on disposal of property and equipment		41
Depreciation and amortization	160	57
Changes in operating assets and liabilities:
Accounts receivable	542	697
Projects in process	(159)	36
Inventory	(845)
Prepaid expenses and other current assets	(31)	(325)
Accounts payable and accrued expenses	18	339
Deferred revenues	(341)	461
Net cash (used in) provided by operating activities	(1,605)	21
Cash flows from investing activities:
Purchase of property and equipment	(104)	(156)
Net cash used in investing activities	(104)	(156)
Cash flows from financing activities:
Principal payments on capital lease obligation	(58)	(15)
Net cash used in financing activities	(58)	(15)
Effect of exchange rate changes on cash	(3)	8
Net decrease in cash	(1,770)	(142)
Cash at beginning of period	3,476	3,082
Cash at end of period	1,706	2,940
Supplemental disclosure of cash flow information:
Cash paid for income taxes	4	7
Cash paid for interest	$ 17	$ 3