XML 36 R27.htm IDEA: XBRL DOCUMENT
v3.22.1

Note 9 - Share-based Compensation and Employee Benefit Plan (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Notes Tables |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
Three months ended March 31, 2022: |  | Number of Shares Awarded |  |  | Weighted Average Grant Date Fair Value |
Unvested at December 31, 2021 |  |  | 21,468 |  |  | $ | 6.48 |
Unvested at March 31, 2022 |  |  | 21,468 |  |  | $ | 6.48 |
Three months ended March 31, 2021: |  |  |  |  |  |  |  |
Unvested at December 31, 2020 |  |  | 18,498 |  |  | $ | 7.29 |
Vested |  |  | (700 | ) |  | $ | 17.85 |
Unvested at March 31, 2021 |  |  | 17,798 |  |  | $ | 6.88 |

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types: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