Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Narrative)

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Commitments and Contingencies (Details Narrative) - USD ($)
$ in Thousands
 12 Months Ended 60 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2016
Product Liability Contingency [Line Items]      
Royalty received $ 30,000   $ 1,332
London Interbank Offered Rate (LIBOR) $ 1,419 $ 1,407  
Royalties on revenues, percentage 4.00%    
Contingent royalty obligation $ 1,760 1,617  
Gain on change in fair value of contingent royalty obligation 143 $ 255  
Severance payments 1,408    
Royalty [Member]      
Product Liability Contingency [Line Items]      
Royalties income 20,000    
Proceeds from licensing based royalty amounts $ 3,500    
Series A Preferred Stock [Member]      
Product Liability Contingency [Line Items]      
Percentage of payment amount 10.00%    
Royalty Payment Rights Certificates [Member]      
Product Liability Contingency [Line Items]      
Description of royalty payment the Royalty Payment Rights initially entitled the holders in aggregate, to a royalty in an amount of: