Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Revenues:
Product	$ 24,208		$ 39,845		$ 48,458		$ 79,331
Service	628		977		1,560		1,824
Total revenues	24,836	[1]	40,822	[1]	50,018	[1]	81,155	[1]
Cost of revenues:
Cost of product	12,558	[2]	24,230	[2]	25,636	[2]	46,680	[2]
Cost of service	323	[2]	523	[2]	651	[2]	1,108	[2]
Total cost of revenues	12,881		24,753		26,287		47,788
Gross profit	11,955		16,069		23,731		33,367
Operating expenses:
Product development	5,122	[2]	7,393	[2]	11,866	[2]	16,194	[2]
Sales and marketing	4,020	[2]	5,548	[2]	8,513	[2]	11,705	[2]
General and administrative	3,234	[2]	3,599	[2]	7,120	[2]	7,945	[2]
Litigation Charges	0		0		3,452		0
Restructuring charges	0		1,176		2,522		1,176
Total operating expenses	12,376		17,716		33,473		37,020
Loss from operations	(421)		(1,647)		(9,742)		(3,653)
Interest and other income (expense), net	(164)		254		120		(10)
Interest expense on lease financing obligations	(312)		(344)		(633)		(695)
Loss before provision for income taxes	(897)		(1,737)		(10,255)		(4,358)
Income tax expense	106		144		143		91
Net loss	(1,003)		(1,881)		(10,398)		(4,449)
Net loss attributable to non controlling interest	176		0		324		0
Net loss attributable to Echelon Corporation Stockholders	$ (827)		$ (1,881)		$ (10,074)		$ (4,449)
Net loss per share:
Basic	$ (0.02)		$ (0.04)		$ (0.23)		$ (0.10)
Diluted	$ (0.02)		$ (0.04)		$ (0.23)		$ (0.10)
Shares used in computing net loss per share:
Basic	43,000		42,560		42,965		42,442
Diluted	43,000		42,560		42,965		42,442

[1] Includes related party amounts of $4,187 and $1,532 for the three months ended June 30, 2013 and 2012, respectively, and $6,077 and $1,759 for the six months ended June 30, 2013 and 2012, respectively. See Note 12 for additional information on related par

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