XML 44 R29.htm IDEA: XBRL DOCUMENT
v3.20.4

Note 5 - Allowance for Doubtful Accounts (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Notes Tables |
Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] |
|  | 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 |

X
- Definition Tabular disclosure of allowance for credit loss of financing receivable, classified as current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
Name: | us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration