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Note 5 - Accounts Receivable | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Loans, Notes, Trade and Other Receivables Disclosure [Text Block] | (5) Accounts Receivable Accounts receivable consists of the following (in thousands):
|  | December 31, |
|  | 2021 |  |  | 2020 |
Commercial |  | $ | 8,529 |  |  | $ | 7,264 |
Allowance for doubtful accounts |  |  | (62 | ) |  |  | (30 | )
Accounts receivable, net |  | $ | 8,467 |  |  | $ | 7,234 |

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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 http://asc.fasb.org/subtopic&trid=2196772 + Details
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