Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CURRENT ASSETS:
Cash and cash equivalents	$ 18,876	$ 17,658
Short-term investments	42,979	40,998
Accounts receivable, net of allowances of $859 in 2012 and $1,801 in 2011	15,725	35,215
Inventories	11,729	11,125
Deferred cost of goods sold	846	6,536
Other current assets	2,662	4,044
Total current assets	92,817	115,576
Property and equipment, net	21,777	27,201
Goodwill	8,276	8,235
Other long-term assets	713	693
Total assets	123,583	151,705
CURRENT LIABILITIES:
Accounts payable	8,551	18,313
Accrued liabilities	4,637	7,755
Current portion of lease financing obligations	2,056	1,870
Deferred revenues	4,912	12,716
Total current liabilities	20,156	40,654
LONG-TERM LIABILITIES:
Lease financing obligations, excluding current portion	18,185	20,193
Other long-term liabilities	1,447	1,750
Total long-term liabilities	19,632	21,943
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 - 46,270,136 in 2012 and 45,740,637 shares in 2011, Outstanding - 43,050,952 in 2012 and 42,521,453 shares in 2011	463	457
Additional paid-in capital	352,589	346,952
Treasury stock (3,219,184 shares in 2012 and 2011)	(28,130)	(28,130)
Accumulated other comprehensive income	509	244
Accumulated deficit	(243,233)	(230,415)
Total Echelon Corporation stockholders' equity	82,198	89,108
Noncontrolling interest in subsidiary	1,597	0
Total stockholders' equity	83,795	89,108
Total liabilities and stockholders' equity	$ 123,583	$ 151,705