Quarterly report pursuant to Section 13 or 15(d)

SELECTED FINANCIAL STATEMENT CAPTIONS - LIABILITIES (Details 1)

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SELECTED FINANCIAL STATEMENT CAPTIONS - LIABILITIES (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Other Current Liabilities [Line Items]    
Other current liabilities $ 2,739 $ 2,706
Trade Discount [Member]    
Other Current Liabilities [Line Items]    
Other current liabilities 2,000 2,000
Other Current Liabilities [Member]    
Other Current Liabilities [Line Items]    
Other current liabilities $ 739 $ 706