Concentrations of Credit and Other Risks

3 Months Ended

Mar. 31, 2020

Concentrations of Credit and Other Risks

The following customers accounted for 10% or more of the Company's revenues for the periods presented:



	Three Months Ended March 31,
	2020	2019
Raytheon Technologies	16%	11%
U.S. Government	10%	*

*Represents less than 10% of total revenues

Financial instruments that potentially expose the Company to concentrations of credit risk consist principally of accounts receivable. As of March 31, 2020, one customer accounted for approximately 24% of net accounts receivable. As of December 31, 2019, two customers accounted for approximately 48% of net accounts receivable. No other customers accounted for 10% or more of net accounts receivable in either of these periods.