Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Revenues:
Product	$ 16,128		$ 24,250
Service	1,663		932
Total revenues	17,791	[1]	25,182	[1]
Cost of revenues:
Cost of product	8,739	[2]	13,078	[2]
Cost of service	405	[2]	328	[2]
Total cost of revenues	9,144		13,406
Gross profit	8,647	[3]	11,776	[3]
Operating expenses:
Product development	5,073	[2]	6,744	[2]
Sales and marketing	3,642	[2]	4,493	[2]
General and administrative	3,770	[2]	3,886	[2]
Litigation Charges	0		3,452
Restructuring charges	0		2,522
Total operating expenses	12,485		21,097
Loss from operations	(3,838)		(9,321)
Interest and other income, net	11		284
Interest expense on lease financing obligations	(288)		(321)
Loss before provision for income taxes	(4,115)		(9,358)
Income Tax Expense (Benefit)	(25)		37
Net loss	(4,090)		(9,395)
Net loss attributable to noncontrolling interest	117		148
Net loss attributable to Echelon Corporation Stockholders	$ (3,973)		$ (9,247)
Net loss per share:
Basic	$ (0.09)		$ (0.22)
Diluted	$ (0.09)		$ (0.22)
Shares used in computing net loss per share:
Basic	43,264		42,929
Diluted	43,264		42,929

[1] Includes related party amounts of $1,549 and $1,890 for the three months ended March 31, 2014 and 2013, respectively. See Note 12 for additional information on related par

[2] See Note 4 for summary of amounts included representing stock-based compensation expense.

[3] 1 Represents unallocated share based compensation expenses considered in GAAP results as part of cost of revenues, but excluded from segment gross profit calculation as presented to the CODM. This amount has been presented to reconcile the segment gross profit to total gross profit presented in the Condensed Consolidated Statement of Operations