Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Revenues:
Revenues	[1]	$ 8,061	$ 9,363	$ 16,708	$ 19,231
Cost of revenues:
Cost of revenues	[2]	3,354	3,821	7,191	8,065
Gross profit		4,707	5,542	9,517	11,166
Operating expenses:
Product development	[3]	1,886	2,340	4,126	4,952
Sales and marketing	[3]	1,625	2,194	2,938	4,382
General and administrative	[3]	2,219	2,187	4,218	5,008
Lease termination charges		0	3,337	0	3,337
Total operating expenses		5,730	10,058	11,282	17,679
Loss from operations		(1,023)	(4,516)	(1,765)	(6,513)
Interest and other income, net		503	(458)	298	380
Interest expense on lease financing obligations		0	(128)	0	(380)
Loss before provision for income taxes		(520)	(5,102)	(1,467)	(6,513)
Income tax expense		51	61	57	74
Net loss		$ (571)	$ (5,163)	$ (1,524)	$ (6,587)
Basic and diluted net loss attributable to Echelon Corporation Stockholders		$ (0.13)	$ (1.17)	$ (0.34)	$ (1.50)
Shares used in computing net loss per share:
Basic		4,420	4,406	4,419	4,404
Diluted		4,420	4,406	4,419	4,404

[1] Represents the portfolio of available for sale securities that is included in restricted investments and short-term investments in the Company’s condensed consolidated balance sheets

[2] Included in cash and cash equivalents in the Company’s condensed consolidated balance sheets

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