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11. Significant Customers	12 Months Ended
Dec. 31, 2020
Risks and Uncertainties [Abstract]
11. Significant Customers	Sales to the U.S. Government represented approximately 50.5% and 49.1% of the Company’s total sales for the years ended December 31, 2020 and 2019, respectively. These sales were primarily to the various government agencies, including those within the United States Department of Defense, the United States Forest Service, the United States Department of Interior, and the United States Department of Homeland Security.

11. Significant Customers

12 Months Ended

Dec. 31, 2020

Sales to the U.S. Government represented approximately 50.5% and 49.1% of the Company’s total sales for the years ended December 31, 2020 and 2019, respectively. These sales were primarily to the various government agencies, including those within the United States Department of Defense, the United States Forest Service, the United States Department of Interior, and the United States Department of Homeland Security.