XML 58 R42.htm IDEA: XBRL DOCUMENT
v3.21.1

Note 8 - Accounts Payable and Accrued Liabilities (Details Textual) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Director Fees, Deferred, Percentage |  | 100.00%
Forecast [Member] |  |
Director Fees, Deferred, Percentage | 100.00% |

X
- Definition The percentage of director fees that deferred. + References No definition available. + Details
Name: | gyro_DirectorFeesDeferredPercentage
Namespace Prefix: | gyro_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |