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Short-term debt (Tables)
6 Months Ended
Jun. 30, 2022
Debt Disclosure [Abstract]  
Schedule of convertible debt
   June 30,   December 31, 
   2022       2021 
Convertible Debentures & Warrants, including interest payable to the Convertible Debenture Holders (A)  $16,303   $19,439 
Revolving Credit Facility (B)   900    
-
 
Total Short-Term Debt  $17,203   $19,439