Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues:
Revenues	[1]	$ 38,804	$ 38,730	$ 45,857
Cost of revenues:
Cost of Revenue	[2]	16,528	16,818	18,015
Gross profit		22,276	21,912	27,842
Operating expenses:
Product development	[2]	9,747	9,510	10,922
Sales and marketing	[2]	7,832	9,098	9,061
General and administrative	[2]	9,249	13,734	14,644
Goodwill impairment charges		5,698	0	0
Lease termination charges		3,337	0	0
Loss on write down of property, equipment and other		0	4,409	0
Litigation charges		0	0	3,452
Restructuring charges		0	391	2,254
Total operating expenses		35,863	37,142	40,333
Loss from operations		(13,587)	(15,230)	(12,491)
Interest and other income (expense), net		791	930	(702)
Interest expense on lease financing obligations		(387)	(1,100)	(1,235)
Loss before provision for income taxes		(13,183)	(15,400)	(14,428)
Income tax expense		50	211	311
Net loss from continuing operations		(13,233)	(15,611)	(14,739)
Net loss from discontinued operations, net of income taxes(2)	[2]	0	(9,250)	(3,679)
Net loss from discontinued operations attributable to non controlling interest, net of income taxes		0	535	808
Net loss from discontinued operations attributable to Echelon Corporation Stockholders, net of income taxes		0	(8,715)	(2,871)
Net Income (Loss) Attributable to Parent		$ (13,233)	$ (24,326)	$ (17,610)
Net income (loss) per share:
Basic and diluted net loss per share from continuing operations attributable to Echelon Corporation Stockholders		$ (3.00)	$ (3.59)	$ (3.42)
Basic and diluted net loss per share from discontinued operations attributable to Echelon Corporation Stockholders		0.00	(2.00)	(0.67)
Basic and diluted net loss per share attributable to Echelon Corporation Stockholders		$ (3.00)	$ (5.59)	$ (4.09)
Shares used in computing net income (loss) per share:
Basic		4,409	4,350	4,309
Diluted		4,409	4,350	4,309

[1] Includes related party amounts of $4,909 in 2015, $2,993 in 2014, and $7,363 in 2013. See Note 14 for additional information on related party transactions.

[2] See Note 8 for summary of amounts included representing stock-based compensation expense.