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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: