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Note 4 - Accounts Receivable and Customer Concentrations | 12 Months Ended
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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 | %

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI https://asc.fasb.org/subtopic&trid=2196772 + Details
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