12. Concentrations	12 Months Ended
Dec. 31, 2020
Risks and Uncertainties [Abstract]
Concentrations	12. Concentrations Our operations are concentrated in one area—security software/entity identification. Sales to the U.S. Government through direct and indirect channels totaled 86.3% of total revenues for 2020 and 87.4% of total revenues for 2019. During 2020 approximately 76.5% of total revenues were attributable to three government customers. During 2019 approximately 68.1% of total revenues are attributable to three government customers. One individual government customer at December 31, 2020 and three at December 31, 2019 exceeded 10% of total accounts receivable balance at respective year ends, comprising 52.8% and 78.8% of the respective total accounts receivable balance. During 2020 no commercial customer exceeded 10.0% of total revenues, and during 2019, 10.4% of total revenues were attributable to one commercial customer. Only one individual commercial customer at December 31, 2020 and 2019 exceeded 10% of total accounts receivable balance. Our similar product and service offerings are not viewed as individual segments, as our management analyzes the business as a whole and expenses are not allocated to each product offering.

12. Concentrations

12 Months Ended

Dec. 31, 2020

12. Concentrations

Our operations are concentrated in one area—security software/entity identification. Sales to the U.S. Government through direct and indirect channels totaled 86.3% of total revenues for 2020 and 87.4% of total revenues for 2019. During 2020 approximately 76.5% of total revenues were attributable to three government customers. During 2019 approximately 68.1% of total revenues are attributable to three government customers. One individual government customer at December 31, 2020 and three at December 31, 2019 exceeded 10% of total accounts receivable balance at respective year ends, comprising 52.8% and 78.8% of the respective total accounts receivable balance. During 2020 no commercial customer exceeded 10.0% of total revenues, and during 2019, 10.4% of total revenues were attributable to one commercial customer. Only one individual commercial customer at December 31, 2020 and 2019 exceeded 10% of total accounts receivable balance. Our similar product and service offerings are not viewed as individual segments, as our management analyzes the business as a whole and expenses are not allocated to each product offering.