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Note 5 - Allowance for Doubtful Accounts | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Allowance for Credit Losses [Text Block] | 5 . ALLOWANCE FOR DOUBTFUL ACCOUNTS The activity in the accounts receivable allowance from operations for the years ended December 31, 2020 and 2019 consists of the following:
|  | For the Year Ended December 31, |
|  | 2020 |  |  | 2019 |
Balance at beginning of period |  | $ | 127 |  |  | $ | 190 |
Bad debt expense |  |  | 227 |  |  |  | (27 | )
Write-offs |  |  | (77 | ) |  |  | (36 | )
Other adjustments |  |  | 196 |  |  |  | — |
Balance at end of period |  | $ | 473 |  |  | $ | 127 |

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- Definition The entire disclosure for allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 + Details
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- References No definition available. + Details
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