Note 4 - Accounts Receivable and Customer Concentrations

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

4. ACCOUNTS RECEIVABLE AND CUSTOMER CONCENTRATIONS

At December 31, 2022 and 2021, our allowance for doubtful accounts was $0. There were no charges against the allowance for doubtful accounts in 2022 or 2021.

The following table indicates the percentage of consolidated revenue from continuing operations and year-end accounts receivable represented by each customer that represented more than 10 percent of consolidated revenue from continuing operations or year-end accounts receivable.

	Revenue						Accounts Receivable
	2022			2021			2022			2021
Customer A		75	%		71	%		76	%		65	%