MARKETABLE SECURITIES (Investments In Marketable Securities) (Details) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | $ 2,601 | $ 4,052 |
| Gross unrealized Gains | $ 458 | $ 482 |
| Gross unrealized Losses | ||
| Fair value | $ 3,059 | $ 4,534 |
| US Government treasuries [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | $ 1,898 | 703 |
| Gross unrealized Gains | $ 482 | |
| Gross unrealized Losses | ||
| Fair value | $ 1,898 | $ 1,185 |
| Equity securities [Member] | ||
| Schedule of Available-for-sale Securities [Line Items] | ||
| Cost | 703 | $ 3,349 |
| Gross unrealized Gains | $ 458 | |
| Gross unrealized Losses | ||
| Fair value | $ 1,161 | $ 3,349 |