Note 5 - Accounts Receivable and Revenues

3 Months Ended

Mar. 31, 2023

Notes to Financial Statements

Accounts Receivable and Revenues [Text Block}

NOTE 5. ACCOUNTS RECEIVABLE AND REVENUES

Revenues in the three months ended March 31, 2023 and 2022, include $0.1 million, or less, in unearned revenue as of the end of the prior year.

Our accounts receivable potentially subject us to significant concentrations of credit risk. Revenues and accounts receivable from significant customers (customers with revenue or accounts receivable in excess of 10% of consolidated totals) are stated below as a percent of consolidated totals.

	Customer
	A			B			C			D			E
% of revenue, three months ended March 31, 2023		17	%		10	%		7	%		3	%		2	%
% of revenue, three months ended March 31, 2022		-	%		11	%		5	%		2	%		11	%
% of accounts receivable, as of March 31, 2023		-	%		22	%		10	%		12	%		1	%
% of accounts receivable, as of December 31, 2022		19	%		12	%		4	%		9	%		-	%

The following table presents revenues by geographic area shipped to (in thousands).

	Three Months Ended March 31,
	2023		2022
United States	$	8,947	$	10,246
Other countries		322		313
Revenues	$	9,269	$	10,559