3.20.1 html 115 235 1 true 55 0 false 6 false false R1.htm 000 - Document - Document And Entity Information Sheet http://www.gyrodyne.com/20191231/role/statement-document-and-entity-information Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Consolidated Statements of Net Assets (Liquidation Basis) Sheet http://www.gyrodyne.com/20191231/role/statement-consolidated-statements-of-net-assets-liquidation-basis Consolidated Statements of Net Assets (Liquidation Basis) Statements 2 false false R3.htm 002 - Statement - Consolidated Statements of Changes in Net Assets (Liquidation Basis) Sheet http://www.gyrodyne.com/20191231/role/statement-consolidated-statements-of-changes-in-net-assets-liquidation-basis Consolidated Statements of Changes in Net Assets (Liquidation Basis) Statements 3 false false R4.htm 003 - Disclosure - Note 1 - The Company Sheet http://www.gyrodyne.com/20191231/role/statement-note-1-the-company Note 1 - The Company Notes 4 false false R5.htm 004 - Disclosure - Note 2 - Summary of Significant Accounting Policies Sheet http://www.gyrodyne.com/20191231/role/statement-note-2-summary-of-significant-accounting-policies- Note 2 - Summary of Significant Accounting Policies Notes 5 false false R6.htm 005 - Disclosure - Note 3 - Statements of Net Assets in Liquidation Sheet http://www.gyrodyne.com/20191231/role/statement-note-3-statements-of-net-assets-in-liquidation Note 3 - Statements of Net Assets in Liquidation Notes 6 false false R7.htm 006 - Disclosure - Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts Sheet http://www.gyrodyne.com/20191231/role/statement-note-4-estimated-liquidation-and-operating-costs-net-of-estimated-receipts Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts Notes 7 false false R8.htm 007 - Disclosure - Note 5 - Disposition Activities Sheet http://www.gyrodyne.com/20191231/role/statement-note-5-disposition-activities- Note 5 - Disposition Activities Notes 8 false false R9.htm 008 - Disclosure - Note 6 - Loan Payable Sheet http://www.gyrodyne.com/20191231/role/statement-note-6-loan-payable Note 6 - Loan Payable Notes 9 false false R10.htm 009 - Disclosure - Note 7 - Real Estate Sheet http://www.gyrodyne.com/20191231/role/statement-note-7-real-estate Note 7 - Real Estate Notes 10 false false R11.htm 010 - Disclosure - Note 8 - Accrued Liabilities Sheet http://www.gyrodyne.com/20191231/role/statement-note-8-accrued-liabilities- Note 8 - Accrued Liabilities Notes 11 false false R12.htm 011 - Disclosure - Note 9 - Income Taxes Sheet http://www.gyrodyne.com/20191231/role/statement-note-9-income-taxes- Note 9 - Income Taxes Notes 12 false false R13.htm 012 - Disclosure - Note 10 - Credit Quality of Rents Receivable Sheet http://www.gyrodyne.com/20191231/role/statement-note-10-credit-quality-of-rents-receivable Note 10 - Credit Quality of Rents Receivable Notes 13 false false R14.htm 013 - Disclosure - Note 11 - Concentration of Credit Risk Sheet http://www.gyrodyne.com/20191231/role/statement-note-11-concentration-of-credit-risk Note 11 - Concentration of Credit Risk Notes 14 false false R15.htm 014 - Disclosure - Note 12 - Commitments Sheet http://www.gyrodyne.com/20191231/role/statement-note-12-commitments- Note 12 - Commitments Notes 15 false false R16.htm 015 - Disclosure - Note 13 - Fair Value of Financial Instruments Sheet http://www.gyrodyne.com/20191231/role/statement-note-13-fair-value-of-financial-instruments Note 13 - Fair Value of Financial Instruments Notes 16 false false R17.htm 016 - Disclosure - Note 14 - Contingencies Sheet http://www.gyrodyne.com/20191231/role/statement-note-14-contingencies- Note 14 - Contingencies Notes 17 false false R18.htm 017 - Disclosure - Note 15 - Related Party Transactions Sheet http://www.gyrodyne.com/20191231/role/statement-note-15-related-party-transactions- Note 15 - Related Party Transactions Notes 18 false false R19.htm 018 - Disclosure - Note 16 - Subsequent Events Sheet http://www.gyrodyne.com/20191231/role/statement-note-16-subsequent-events- Note 16 - Subsequent Events Notes 19 false false R20.htm 019 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.gyrodyne.com/20191231/role/statement-significant-accounting-policies-policies Significant Accounting Policies (Policies) Policies http://www.gyrodyne.com/20191231/role/statement-note-2-summary-of-significant-accounting-policies- 20 false false R21.htm 020 - Disclosure - Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts (Tables) Sheet http://www.gyrodyne.com/20191231/role/statement-note-4-estimated-liquidation-and-operating-costs-net-of-estimated-receipts-tables Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts (Tables) Tables http://www.gyrodyne.com/20191231/role/statement-note-4-estimated-liquidation-and-operating-costs-net-of-estimated-receipts 21 false false R22.htm 021 - Disclosure - Note 6 - Loan Payable (Tables) Sheet http://www.gyrodyne.com/20191231/role/statement-note-6-loan-payable-tables Note 6 - Loan Payable (Tables) Tables http://www.gyrodyne.com/20191231/role/statement-note-6-loan-payable 22 false false R23.htm 022 - Disclosure - Note 7 - Real Estate (Tables) Sheet http://www.gyrodyne.com/20191231/role/statement-note-7-real-estate-tables Note 7 - Real Estate (Tables) Tables http://www.gyrodyne.com/20191231/role/statement-note-7-real-estate 23 false false R24.htm 023 - Disclosure - Note 8 - Accrued Liabilities (Tables) Sheet http://www.gyrodyne.com/20191231/role/statement-note-8-accrued-liabilities-tables Note 8 - Accrued Liabilities (Tables) Tables http://www.gyrodyne.com/20191231/role/statement-note-8-accrued-liabilities- 24 false false R25.htm 024 - Disclosure - Note 10 - Credit Quality of Rents Receivable (Tables) Sheet http://www.gyrodyne.com/20191231/role/statement-note-10-credit-quality-of-rents-receivable-tables Note 10 - Credit Quality of Rents Receivable (Tables) Tables http://www.gyrodyne.com/20191231/role/statement-note-10-credit-quality-of-rents-receivable 25 false false R26.htm 025 - Disclosure - Note 12 - Commitments (Tables) Sheet http://www.gyrodyne.com/20191231/role/statement-note-12-commitments-tables Note 12 - Commitments (Tables) Tables http://www.gyrodyne.com/20191231/role/statement-note-12-commitments- 26 false false R27.htm 026 - Disclosure - Note 15 - Related Party Transactions (Tables) Sheet http://www.gyrodyne.com/20191231/role/statement-note-15-related-party-transactions-tables Note 15 - Related Party Transactions (Tables) Tables http://www.gyrodyne.com/20191231/role/statement-note-15-related-party-transactions- 27 false false R28.htm 027 - Disclosure - Note 1 - The Company (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-1-the-company-details-textual Note 1 - The Company (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-1-the-company 28 false false R29.htm 028 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-2-summary-of-significant-accounting-policies-details-textual Note 2 - Summary of Significant Accounting Policies (Details Textual) Details 29 false false R30.htm 029 - Disclosure - Note 3 - Statements of Net Assets in Liquidation (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-3-statements-of-net-assets-in-liquidation-details-textual Note 3 - Statements of Net Assets in Liquidation (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-3-statements-of-net-assets-in-liquidation 30 false false R31.htm 030 - Disclosure - Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts - Changes in Liability for Estimated Costs in Excess of Estimated Receipts (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-4-estimated-liquidation-and-operating-costs-net-of-estimated-receipts-changes-in-liability-for-estimated-costs-in-excess-of-estimated-receipts-details Note 4 - Estimated Liquidation and Operating Costs Net of Estimated Receipts - Changes in Liability for Estimated Costs in Excess of Estimated Receipts (Details) Details 31 false false R32.htm 031 - Disclosure - Note 5 - Disposition Activities (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-5-disposition-activities-details-textual Note 5 - Disposition Activities (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-5-disposition-activities- 32 false false R33.htm 032 - Disclosure - Note 6 - Loan Payable (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-6-loan-payable-details-textual Note 6 - Loan Payable (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-6-loan-payable-tables 33 false false R34.htm 033 - Disclosure - Note 6 - Loan Payable - Loan Maturity (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-6-loan-payable-loan-maturity-details Note 6 - Loan Payable - Loan Maturity (Details) Details 34 false false R35.htm 034 - Disclosure - Note 7 - Real Estate (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-7-real-estate-details-textual Note 7 - Real Estate (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-7-real-estate-tables 35 false false R36.htm 035 - Disclosure - Note 7 - Real Estate - Real Estate Disclosure (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-7-real-estate-real-estate-disclosure-details Note 7 - Real Estate - Real Estate Disclosure (Details) Details 36 false false R37.htm 036 - Disclosure - Note 8 - Accrued Liabilities - Summary of Accrued Liabilities (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-8-accrued-liabilities-summary-of-accrued-liabilities-details Note 8 - Accrued Liabilities - Summary of Accrued Liabilities (Details) Details 37 false false R38.htm 037 - Disclosure - Note 10 - Credit Quality of Rents Receivable - Allowance for Doubtful Accounts (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-10-credit-quality-of-rents-receivable-allowance-for-doubtful-accounts-details Note 10 - Credit Quality of Rents Receivable - Allowance for Doubtful Accounts (Details) Details 38 false false R39.htm 038 - Disclosure - Note 11 - Concentration of Credit Risk (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-11-concentration-of-credit-risk-details-textual Note 11 - Concentration of Credit Risk (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-11-concentration-of-credit-risk 39 false false R40.htm 039 - Disclosure - Note 12 - Commitments (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-12-commitments-details-textual Note 12 - Commitments (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-12-commitments-tables 40 false false R41.htm 040 - Disclosure - Note 12 - Commitments - Other Commitments (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-12-commitments-other-commitments-details Note 12 - Commitments - Other Commitments (Details) Details 41 false false R42.htm 041 - Disclosure - Note 12 - Commitments - Allocation of Retention Bonus (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-12-commitments-allocation-of-retention-bonus-details Note 12 - Commitments - Allocation of Retention Bonus (Details) Details 42 false false R43.htm 042 - Disclosure - Note 12 - Commitments - Payments Under Retention Bonus Plan (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-12-commitments-payments-under-retention-bonus-plan-details Note 12 - Commitments - Payments Under Retention Bonus Plan (Details) Details 43 false false R44.htm 043 - Disclosure - Note 14 - Contingencies (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-14-contingencies-details-textual Note 14 - Contingencies (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-14-contingencies- 44 false false R45.htm 044 - Disclosure - Note 15 - Related Party Transactions (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-15-related-party-transactions-details-textual Note 15 - Related Party Transactions (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-15-related-party-transactions-tables 45 false false R46.htm 045 - Disclosure - Note 15 - Related Party Transactions - Summary of Leasing Arrangements (Details) Sheet http://www.gyrodyne.com/20191231/role/statement-note-15-related-party-transactions-summary-of-leasing-arrangements-details Note 15 - Related Party Transactions - Summary of Leasing Arrangements (Details) Details 46 false false R47.htm 046 - Disclosure - Note 16 - Subsequent Events (Details Textual) Sheet http://www.gyrodyne.com/20191231/role/statement-note-16-subsequent-events-details-textual Note 16 - Subsequent Events (Details Textual) Details http://www.gyrodyne.com/20191231/role/statement-note-16-subsequent-events- 47 false false All Reports Book All Reports gyro-20191231.xml gyro-20191231.xsd gyro-20191231_cal.xml gyro-20191231_def.xml gyro-20191231_lab.xml gyro-20191231_pre.xml http://fasb.org/us-gaap/2019-01-31 http://xbrl.sec.gov/dei/2019-01-31 http://fasb.org/srt/2019-01-31 true true