SHORT TERM DEPOSITS (Details) |
9 Months Ended | 12 Months Ended |
---|---|---|
Sep. 30, 2021 |
Dec. 31, 2020 |
|
Cash and Cash Equivalents [Line Items] | ||
Maturity of short term deposits | 12 months | 12 months |
Minimum | ||
Cash and Cash Equivalents [Line Items] | ||
Annual interest rate on bank deposits | 0.15% | 0.15% |
Maximum | ||
Cash and Cash Equivalents [Line Items] | ||
Annual interest rate on bank deposits | 0.83% | 0.83% |