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License and Supply Agreement, Net (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 23, 2012
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Sep. 30, 2013
Long-term intangible asset   $ 2,250   $ 2,250      
License and supply agreement, net   871   871   $ 938  
Accumulated amortization   (21)   (21)      
Amortization expense   11   21 $ 67    
Interest expense   $ 2 12    
Royalty expense   61 36 108 65    
Accounts payable   61   61   50  
License and Supply Agreement [Member]              
Accumulated amortization   1,379   1,379   $ 1,312  
Amortization expense   $ 33 $ 33 $ 67 $ 67    
Medica S.p.A. [Member]              
Expiration term of license agreement Dec. 31, 2025            
Debt instrument, interest rate, stated percentage             12.00%
Medica [Member] | April 23, 2014 through December 31, 2025 [Member]              
Royalty rate       3.00%