SHORT-TERM INVESTMENTS (Details Narrative) - USD ($) |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
|
| Investments, Debt and Equity Securities [Abstract] | |||
| Amortized cost of available-for-sale debt securities | $ 50,381,000 | $ 82,448,000 | |
| Realized gains or losses on sale or maturity of available-for-sale debt securities | $ 0 | $ 0 | |
| X | ||||||||||
- Definition Amortized cost 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/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of realized gain (loss) on 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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