ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - CASH EQUIVALENTS AND MARKETABLE SECURITIES (Details)	12 Months Ended
Dec. 31, 2015
Minimum
Marketable securities
Original maturity period of marketable securities	4 months
Maximum
Marketable securities
Original maturity period of marketable securities	24 months

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration