SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Accounting Policies [Abstract] | |||
| Other than temporary impairment of marketable securities | $ 0 | $ 0 | $ 0 |
| Gain on sale of marketable securities previously impaired | 0 | 172 | 48 |
| Reimbursement revenue | 452 | 305 | 347 |
| Advertising expense | 220 | 228 | 170 |
| Severance expense | $ 221 | $ 213 | $ 196 |
| Weighted average number of anti-dilutive shares excluded from the calculation of diluted net earnings | 595,439 | 515,053 | 510,705 |