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Overview (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2016
Dec. 31, 2016
Amortization expense $ 1,100,000 $ 900,000    
Intangible asset     $ 11,600,000  
Non-cash impairment charge       $ 12,000,000
Amortization expense 1,115,000 897,000    
Barrett's and Thyroid Intangible Assets [Member]        
Amortization expense 100,000 100,000 $ 11,600,000  
Barrett's and Thyroid [Member]        
Amortization expense $ 100,000 $ 100,000