| Schedule of Revenue Recognition |
Revenue by Source | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | 2020 | | 2019 | | 2020 | | 2019 | | Instruments | $ | 724,000 | | | $ | 2,370,000 | | | $ | 1,487,000 | | | $ | 5,262,000 | | | Consumables | 856,000 | | | 792,000 | | | 2,016,000 | | | 1,608,000 | | | Total product revenue | 1,580,000 | | | 3,162,000 | | | 3,503,000 | | | 6,870,000 | | | Service and other | 616,000 | | | 151,000 | | | 1,010,000 | | | 470,000 | | | Total revenue | $ | 2,196,000 | | | $ | 3,313,000 | | | $ | 4,513,000 | | | $ | 7,340,000 | |
Service and other for the three and nine months includes diagnostics for the period from August 21, 2020 through September 30, 2020. Revenue by Geographic Location | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | 2020 | | 2019 | | 2020 | | 2019 | | $ | | % | | $ | | % | | $ | | % | | $ | | % | | North America | $ | 874,000 | | | 40 | % | | $ | 1,831,000 | | | 56 | % | | $ | 2,388,000 | | | 53 | % | | $ | 4,050,000 | | | 55 | % | | EMEIA | 1,204,000 | | | 55 | % | | 943,000 | | | 28 | % | | 1,908,000 | | | 42 | % | | 2,367,000 | | | 32 | % | | Asia Pacific | 118,000 | | | 5 | % | | 539,000 | | | 16 | % | | 217,000 | | | 5 | % | | 923,000 | | | 13 | % | | Total | $ | 2,196,000 | | | 100 | % | | $ | 3,313,000 | | | 100 | % | | $ | 4,513,000 | | | 100 | % | | $ | 7,340,000 | | | 100 | % |
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