ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES. (Details) - Sales [Member] |
12 Months Ended | ||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Customer A [Member] | |||
| Concentration risk percentage | 16.00% | 17.00% | 12.00% |
| Customer C [Member] | |||
| Concentration risk percentage | 6.00% | 6.00% | 12.00% |
| Customer B [Member] | |||
| Concentration risk percentage | 11.00% | 12.00% | 15.00% |
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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