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CASH, CASH EQUIVALENTS AND RESTRICTED CASH (Details Narrative) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Cash and Cash Equivalents [Abstract]      
Restricted cash, collateral against a bank loan, current $ 1,000,000 $ 1,000,000 $ 2,000,000
Restricted cash held in a special account as a guarantee, non current $ 1,500,000 1,500,000  
Restricted cash in bank time deposit for cutting mutia   $ 1,500,000