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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Net Revenue $ 7,053,418 $ 1,252,658
United States    
Net Revenue 3,569,000 1,136,000
International    
Net Revenue 3,484,000 117,000
SteraMist Product    
Net Revenue 6,638,000 1,029,000
Service & Training    
Net Revenue $ 415,000 $ 224,000