XML 68 R52.htm IDEA: XBRL DOCUMENT
v3.21.1

Note 16 - Related Party Transactions (Details Textual) - Not-for-profit Corporation [Member] | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 28, 2019 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Aug. 31, 2016 ft²
Operating Lease, Lease Income, Total |  | $ 35,607 | $ 34,720 |
Lease Term August 2016 Through December 2018 [Member] |  |  |  |
Rent Amount Per Square Foot Per Month, Maximum | 10 |  |  |
Area of Real Estate Property (Square Foot) | ft² |  |  |  | 2,130
Annual Rent | $ 18,170 |  |  |
Operating Leases, Maximum Total Lease Commitment | 36,340 |  |  |
Payments for Tenant Improvements | $ 3,500 |  |  |
Commitments, Fair Value Disclosure |  | $ 18,170 |  |
Lessor, Operating Lease, Renewal Term (Year) |  | 2 years |  |
Operating Leases, Additional Commitment |  | $ 72,680 |  |

X
- Definition The annual rent in a leasing arrangement. + References No definition available. + Details
Name: | gyro_AnnualRent
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The additional lease commitment, which assumes two two-year renewal options are exercised. + References No definition available. + Details
Name: | gyro_OperatingLeasesAdditionalCommitment
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total maximum amount to be paid under an operating lease agreement. + References No definition available. + Details
Name: | gyro_OperatingLeasesMaximumTotalLeaseCommitment
Namespace Prefix: | gyro_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The maximum amount of rent payable per square foot per month. + References No definition available. + Details
Name: | gyro_RentAmountPerSquareFootPerMonthMaximum
Namespace Prefix: | gyro_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value portion of arrangements with third parties, including, but not limited to, operating lease arrangement and arrangement in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommitmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919359-209981 + Details
Name: | us-gaap_LessorOperatingLeaseRenewalTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121561866&loc=SL77919311-209978 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=121640914&loc=SL77927221-108306 + Details
Name: | us-gaap_OperatingLeaseLeaseIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy. + References No definition available. + Details
Name: | us-gaap_PaymentsForTenantImprovements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=gyro_NotForProfitCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=gyro_LeaseTermAugust2016ThroughDecember2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |