Note 17 - Concentrations

3 Months Ended

Mar. 31, 2023

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

17. CONCENTRATIONS

The Company’s major product lines in 2022 and 2023 were electric power transmission and distribution maintenance and service, utility-scale solar construction projects and telecommunications maintenance and service.

The Company had the following revenue concentrations by customer greater than 10% of consolidated revenue:

	For the Three Months Ended March 31,
Customer	2023			2022
Customer 1	19		%		28	%
Customer 2		17	%		<10%
Customer 3	16		%		19	%
Customer 4		15	%	14		%
Total concentrations		67	%		61	%

The Company did not have geographic revenue concentrations outside the U.S.A. greater than 10% of consolidated revenue.

The Company had the following gross trade accounts receivable concentrations by customer greater than 10% of gross trade accounts receivable:

	As of March 31,			As of December 31,
Customer	2023			2022
Customer 1		18	%		26	%
Customer 2		22	%		21	%
Customer 3		<10%			11	%
Customer 4	16		%		14	%
Total concentrations		56	%		72	%

The Company did not have geographic concentrations outside of the U.S.A. greater than 10% of gross trade accounts receivable.

For the three months ended March 31, 2023, the Company had no supplier concentrations.  For the three months ended March 31, 2022, the Company had one supplier concentration of approximately 12% in the Renewables segment.