Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents		$ 7,691	$ 13,340
Restricted Investments, Current		1,401	1,401
Short-term investments		16,978	28,829
Accounts receivable, net of allowances of $883 in 2013 and $859 in 2012	[1]	4,030	3,948
Inventories		2,893	3,243
Deferred cost of goods sold		1,122	935
Other current assets		1,109	1,084
Disposal Group, Including Discontinued Operation, Other Assets, Current		0	597
Total current assets		35,224	53,377
Property and equipment, net		595	10,190
Intangible Assets, Net (Excluding Goodwill)		1,183	1,413
Goodwill		0	5,936
Other long-term assets		1,044	694
Long-term assets of discontinued operations held for sale		0	36
Total assets		38,046	71,646
CURRENT LIABILITIES:
Accounts payable		2,267	3,614
Accrued liabilities		2,885	2,844
Current portion of lease financing obligations		0	2,459
Deferred revenues		3,359	3,126
Disposal Group, Including Discontinued Operation, Liabilities, Current		0	1,024
Total current liabilities		8,511	13,067
LONG-TERM LIABILITIES:
Lease financing obligations, excluding current portion		0	13,662
Other long-term liabilities		614	1,740
Total long-term liabilities		614	15,402
STOCKHOLDERS' EQUITY:
Preferred Stock, $0.01 par value: Authorized - 5,000,000 shares; none outstanding		0	0
Common stock, $0.01 par value: Authorized -100,000,000 shares Issued - 46,571,034 in 2013 and 46,270,136 shares in 2012, Outstanding - 43,351,850 in 2013 and 43,050,952 shares in 2012		47	47
Additional paid-in capital		356,746	356,606
Treasury stock (3,219,184 shares in 2013 and 2012)		(28,130)	(28,130)
Accumulated other comprehensive income		(1,594)	(431)
Accumulated deficit		(298,402)	(285,169)
Total Echelon Corporation stockholders' equity		28,667	42,923
Noncontrolling interest in subsidiary		254	254
Total stockholders' equity		28,921	43,177
Total liabilities and stockholders' equity		$ 38,046	$ 71,646

[1] Includes related party amounts of $827 in 2015 and $158 in 2014. See Note 14 for additional information on related party transactions.