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COMMITMENTS AND CONTINGENCIES (Details)	Jul. 22, 2016 USD ($)	Dec. 31, 2016 case lawsuit
Pending Litigation | Securities Lawsuits
COMMITMENTS AND CONTINGENCIES
Number of purported class action lawsuits that have been filed		2
Number of cases that have been filed | case		3
Settled Litigation | Stockholder Derivatives Lawsuits
COMMITMENTS AND CONTINGENCIES
Number of cases that have been filed		4
Settled Litigation | Stockholder Derivatives Lawsuits Filed In Superior Court Of California
COMMITMENTS AND CONTINGENCIES
Number of cases that have been filed		2
Settled Litigation | Stockholder Derivatives Lawsuits Filed In California District Court
COMMITMENTS AND CONTINGENCIES
Number of cases that have been filed		2
Insurance Claims | Settled Litigation | Stockholder Derivatives Lawsuits
COMMITMENTS AND CONTINGENCIES
Settlement amount | $	$ 950,000

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The number of class action lawsuits that have been filed.

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Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

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Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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