XML 34 R21.htm IDEA: XBRL DOCUMENT
v3.20.2

Note 3 - Accrued Liabilities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | September 30, 2020 |  |  | December 31, 2019 |
Accrued compensation expenses |  | $ | 8,382 |  |  | $ | 10,100 |
Accrued other |  |  | 2,063 |  |  |  | 3,634 |
Total accrued liabilities |  | $ | 10,445 |  |  | $ | 13,734 |

X
- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
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