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4. INTANGIBLE ASSETS (Tables)
3 Months Ended
Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of intangible assets
   March 31, 2020  December 31, 2019
      Accumulated        Accumulated   
   Cost  Amortization  Net  Cost  Amortization  Net
Trademark and other intangible rights related to Nabi-HB  $4,100,046   $1,659,542   $2,440,504   $4,100,046   $1,513,112   $2,586,934 
Rights to intermediates   907,421    367,289    540,132    907,421    334,881    572,540 
Customer contract   1,076,557    1,076,557    —      1,076,557    1,076,557    —   
   $6,084,024   $3,103,388   $2,980,636   $6,084,024   $2,924,550   $3,159,474 
Intangible asset future aggregate amortization expense
 Remainder of 2020   $536,514 
 2021    715,352 
 2022    715,352 
 2023    715,352 
 2024    298,066