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Enterprise-Wide Disclosures (Details Narrative) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]    
Prepaid Expense and Other Assets, Current $ 2,433 $ 2,863
ATM Shares Member    
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]    
Prepaid Expense and Other Assets, Current 300  
Royalties From Product Sales and License Fees [Member]    
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]    
Prepaid Expense and Other Assets, Current $ 200