Quarterly report pursuant to Section 13 or 15(d)

MANAGEMENT???S LIQUIDITY PLANS (Details)

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MANAGEMENT’S LIQUIDITY PLANS (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Working Capital (Deficit) $ 17,400      
Proceeds from Issuance or Sale of Equity 9,000      
Proceeds from the exercise options and warrants 1,300      
Cash and Cash Equivalents, at Carrying Value $ 17,535 $ 28,268 $ 32,748 $ 12,108