SHORT-TERM INVESTMENTS (Tables) |
12 Months Ended | |||||||||||
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Dec. 31, 2018 | ||||||||||||
| Investments, Debt and Equity Securities [Abstract] | ||||||||||||
| Debt Securities, Available-for-sale [Table Text Block] |
The following table summarizes the available-for-sale investments held as of December 31, 2018. There were no available-for-sale investments in prior periods.
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| X | ||||||||||
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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