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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Net revenue $ 6,347,160 $ 5,584,612
United States    
Net revenue 5,002,000 4,197,000
International    
Net revenue 1,345,000 1,388,000
SteraMist Product    
Net revenue 4,999,000 4,652,000
Service & Training    
Net revenue $ 1,348,000 $ 933,000