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Note 11 - Incentive Compensation Plan - Summary of Allocation to Plan Participants (Details)

1 Months Ended

Jun. 30, 2016

USD ($)

Director [Member]

Compensation

$ 131,758

^[1]

Chief Operating Officer [Member]

Compensation

31,482

Former Chief Executive Officer [Member]

Compensation

43,142

Other Employees [Member]

Compensation

26,818

^[2]

Compensation

$ 233,200

[1]	$17,490 of the $131,758 was paid to a former Director who resigned in September 2013.
[2]	Approximately $25,652 of the $26,818 was paid to former employees.

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_ChiefOperatingOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=gyro_FormerChiefExecutiveOfficerMember
Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TitleOfIndividualAxis=gyro_OtherEmployeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: