STOCKHOLDERS' EQUITY - STOCK-BASED COMPENSATION TO SERVICE PROVIDERS (Details) - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Stock-Based Compensation to Service Providers
Stock-based compensation for services by non-employees	$ 364,000	$ 253,000	$ 252,000
Consultants \| Stock options
Stock-Based Compensation to Service Providers
Options granted (in shares)		75,000	80,000
Stock-based compensation for services by non-employees	$ 311,000	$ 94,000	$ 92,000
Consultants and Vendors \| Common Stock
Stock-Based Compensation to Service Providers
Options granted (in shares)	18,077	71,239	66,853
Stock-based compensation for services by non-employees	$ 53,000	$ 158,000	$ 202,000

Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=51659978&loc=d3e25284-112666

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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