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License and Supply Agreement, Net (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Apr. 23, 2012
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Sep. 30, 2013
Long-term intangible asset, gross   $ 2,300      
License and supply agreement, net   636   $ 670  
Accumulated amortization   94   84  
Amortization expense   10 $ 10    
Accrued expenses   72      
Accounts payable       68  
Cost of Goods Sold [Member]          
Royalty expense   72 69    
License and Supply Agreement [Member]          
Accumulated amortization   1,700   $ 1,600  
Amortization expense   33 33    
Medica S.p.A. [Member]          
Expiration term of license agreement Dec. 31, 2025        
Debt instrument, interest rate, stated percentage         12.00%
Interest expense      
Medica [Member] | License and Supply Agreement [Member] | April 23, 2014 through December 31, 2025 [Member]          
Royalty rate   3.00%