12. COMMITMENTS AND CONTINGENCIES (Details-Letters of credit) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Other Liabilities Unclassified
Letters Of Credit Outstanding	$ 415	$ 827
Performance-Related Letter of Credit
Other Liabilities Unclassified
Letters Of Credit Outstanding	0	235
Warranty-Related Letter of Credit
Other Liabilities Unclassified
Letters Of Credit Outstanding	$ 415	$ 592

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant