Note 16 - Concentrations

3 Months Ended

Mar. 31, 2022

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

16. CONCENTRATIONS

The Company’s major product lines in 2021 and 2022 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	2022			2021
Customer 1	<10%				40	%
Customer 2		<10%			27	%
Customer 3	<10%				16	%
Customer 4		28	%	<10%
Customer 5		19	%	<10%
Customer 6		14	%	<10%
Total concentrations		61	%		83	%

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	2022			2021
Customer 4	28		%		30	%
Customer 5		15	%		16	%
Customer 6		13	%		<10%
Total concentrations		56	%		46	%

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

The Company had one supplier concentration of approximately 12% for the three months ended March 31, 2022 in the Renewables segment and one supplier concentration of approximately 12% in the three months ended March 31, 2021 in the Electric Power segment.