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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($) | 12 Months Ended
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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

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