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Note 13 - Commitments and Contingencies - Other Commitments and Contingencies (Details)	Sep. 30, 2016 USD ($)
Employment Agreement with Severance Contingencies [Member]
Contractual obligation	$ 600,000
Other Employee Severance Commitment Contingencies [Member]
Contractual obligation	77,100
Contractual obligation	$ 677,100

X

- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_OtherCommitmentsAxis=gyro_EmploymentAgreementWithSeveranceContingenciesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_OtherCommitmentsAxis=gyro_OtherEmployeeSeveranceCommitmentContingenciesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: