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Revenue from Contracts with Customers
 12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
Revenue by Source
Years Ended December 31,
20212020
Instruments$5,887,000 $3,085,000 
Consumables5,808,000 3,145,000 
Total product revenue11,695,000 6,230,000 
Services and other 6,286,000 2,273,000 
Total revenue$17,981,000 $8,503,000 
Revenue by Geographic Location
Years Ended December 31,
2021
2020
$%$%
North America$9,329,000 52 %$4,489,000 53 %
EMEIA5,604,000 31 %3,163,000 37 %
Asia Pacific3,048,000 17 %851,000 10 %
Total$17,981,000 100 %$8,503,000 100 %
The tables above provide revenue from contracts with customers by source and geographic location on a disaggregated basis. North America consists of the United States and Canada. EMEIA consists of Europe, the Middle East, India and Africa. Asia Pacific includes China, Japan, South Korea, Singapore and Australia. For the years ended December 31, 2021 and 2020, sales in the United States represented 46% and 42% of revenues, respectively. During the year ended December 31, 2021, sales in China accounted for 11% of total revenue. No other countries represented greater than 10% of revenue during the years ended December 31, 2021 and 2020.