FAIR VALUE MEASUREMENTS (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands |
Mar. 31, 2017 |
Dec. 31, 2016 |
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| Assets: | ||
| Cash equivalents | $ 14,749 | $ 10,006 |
| Marketable securities - available for sale | 2,480 | 7,180 |
| Total assets | 17,229 | 17,186 |
| Quoted Prices In Active Markets (Level 1) [Member] | ||
| Assets: | ||
| Cash equivalents | 14,749 | 10,006 |
| Marketable securities - available for sale | 2,480 | 5,926 |
| Total assets | $ 17,229 | 15,932 |
| Significant Other Observable Inputs (Level 2) [Member] | ||
| Assets: | ||
| Cash equivalents | ||
| Marketable securities - available for sale | 1,254 | |
| Total assets | $ 1,254 |
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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