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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Net Revenue $ 10,028,497 $ 1,638,674 $ 17,081,915 $ 2,891,332
United States        
Net Revenue 8,392,000 1,428,000 11,961,000 2,563,000
International        
Net Revenue 1,636,000 211,000 5,121,000 328,000
SteraMist Product        
Net Revenue 9,235,000 1,504,000 15,880,000 2,533,000
Service & Training        
Net Revenue $ 793,000 $ 135,000 $ 1,202,000 $ 358,000