Note 5 - Consolidating Financial Information (Details) - Consolidated Balance Sheet (USD $) | Sep. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Dec. 31, 2012 |
Rental property: | ' | ' | ' | ' | ' |
Land | $1,733,693 | ' | $1,785,293 | ' | ' |
Building and improvements | 11,307,442 | ' | 11,205,934 | ' | ' |
Machinery and equipment | 344,733 | ' | 344,733 | ' | ' |
| 13,385,868 | ' | 13,335,960 | ' | ' |
Less accumulated depreciation | 4,807,276 | ' | 4,557,615 | ' | ' |
| 8,578,592 | ' | 8,778,345 | ' | ' |
Land held for development: | ' | ' | ' | ' | ' |
Land | 558,466 | ' | 558,466 | ' | ' |
Land development costs | 1,923,822 | ' | 1,823,847 | ' | ' |
| 2,482,288 | ' | 2,382,313 | ' | ' |
Total real estate, net | 11,060,880 | ' | 11,160,658 | ' | ' |
Assets held for sale | 22,411,392 | ' | 22,024,321 | ' | ' |
Cash and cash equivalents | 4,377,093 | ' | 13,048,827 | 85,210,576 | 94,164,722 |
Investment in marketable securities | 6,071,506 | ' | 3,380,864 | ' | ' |
Rent receivable, net of allowance for doubtful accounts of approximately $74,000 | 31,988 | ' | 82,663 | ' | ' |
Deferred rent receivable | 48,365 | ' | 57,369 | ' | ' |
Prepaid expenses and other assets | 350,848 | ' | 618,279 | ' | ' |
Prepaid pension costs | 586,401 | ' | 608,807 | ' | ' |
Total Assets | 44,938,473 | ' | 50,981,788 | ' | ' |
LIABILITIES: | ' | ' | ' | ' | ' |
Accounts payable | 250,523 | ' | 1,603,279 | ' | ' |
Accrued liabilities | 513,515 | ' | 3,246,403 | ' | ' |
Deferred rent liability | 23,557 | ' | 21,387 | ' | ' |
Tenant security deposits payable | 253,100 | ' | 271,658 | ' | ' |
Liabilities related to assets held for sale | 365,923 | ' | 381,966 | ' | ' |
Deferred income taxes | 1,315,000 | ' | 1,315,000 | ' | ' |
Dividend payable | 682,033 | ' | ' | 98,685,000 | ' |
Notes payable | 16,447,427 | 16,447,427 | 16,144,614 | ' | ' |
Total Liabilities | 19,851,078 | ' | 22,984,307 | ' | ' |
EQUITY: | ' | ' | ' | ' | ' |
Common stock, $1 par value; authorized 4,000,000 shares; 1,723,888 shares issued; 1,482,680 shares outstanding | 1,723,888 | ' | 1,723,888 | ' | ' |
Additional paid-in capital | 17,753,505 | ' | 17,753,505 | ' | ' |
Accumulated other comprehensive income | 118,219 | ' | 118,789 | ' | ' |
Deficit | -9,863,126 | ' | -9,119,471 | ' | ' |
| 9,732,486 | ' | 10,476,711 | ' | ' |
Less cost of shares of common stock held in treasury; 241,208 | -1,537,697 | ' | -1,537,697 | ' | ' |
Total Gyrodyne Stockholdersb Equity | 8,194,789 | ' | 8,939,014 | ' | ' |
Non-controlling interest in GSD, LLC | 16,892,606 | ' | 19,058,467 | ' | ' |
Total equity | 25,087,395 | ' | 27,997,481 | ' | ' |
Total Liabilities and Equity | 44,938,473 | ' | 50,981,788 | ' | ' |
Consolidation, Eliminations [Member] | ' | ' | ' | ' | ' |
Land held for development: | ' | ' | ' | ' | ' |
GSD Line of Credit | -3,000,459 | ' | ' | ' | ' |
Mortgage receivable | -13,130,802 | ' | ' | ' | ' |
Total Assets | -16,131,261 | ' | ' | ' | ' |
LIABILITIES: | ' | ' | ' | ' | ' |
Liabilities related to assets held for sale | -9,301,752 | ' | ' | ' | ' |
GSD Line of Credit | -3,000,459 | ' | ' | ' | ' |
Mortgage Payable | -3,829,050 | ' | ' | ' | ' |
Total Liabilities | -16,131,261 | ' | ' | ' | ' |
EQUITY: | ' | ' | ' | ' | ' |
Deficit | 2,173,862 | ' | ' | ' | ' |
| 2,173,862 | ' | ' | ' | ' |
Total Gyrodyne Stockholdersb Equity | 2,173,862 | ' | ' | ' | ' |
Non-controlling interest in GSD, LLC | -2,173,862 | ' | ' | ' | ' |
Total Liabilities and Equity | -16,131,261 | ' | ' | ' | ' |
Parent Company [Member] | ' | ' | ' | ' | ' |
Land held for development: | ' | ' | ' | ' | ' |
Cash and cash equivalents | 4,377,093 | ' | ' | ' | ' |
Investment in marketable securities | 6,071,506 | ' | ' | ' | ' |
GSD Line of Credit | 3,000,459 | ' | ' | ' | ' |
Prepaid expenses and other assets | 92,246 | ' | ' | ' | ' |
Prepaid pension costs | 586,401 | ' | ' | ' | ' |
Mortgage receivable | 13,130,802 | ' | ' | ' | ' |
Total Assets | 27,258,507 | ' | ' | ' | ' |
LIABILITIES: | ' | ' | ' | ' | ' |
Accounts payable | 105,743 | ' | ' | ' | ' |
Accrued liabilities | 513,515 | ' | ' | ' | ' |
Deferred income taxes | 1,315,000 | ' | ' | ' | ' |
Dividend payable | 682,033 | ' | ' | ' | ' |
Notes payable | 16,447,427 | ' | ' | ' | ' |
Total Liabilities | 19,063,718 | ' | ' | ' | ' |
EQUITY: | ' | ' | ' | ' | ' |
Common stock, $1 par value; authorized 4,000,000 shares; 1,723,888 shares issued; 1,482,680 shares outstanding | 1,723,888 | ' | ' | ' | ' |
Additional paid-in capital | 17,753,505 | ' | ' | ' | ' |
Accumulated other comprehensive income | 118,219 | ' | ' | ' | ' |
Deficit | -9,863,126 | ' | ' | ' | ' |
| 9,732,486 | ' | ' | ' | ' |
Less cost of shares of common stock held in treasury; 241,208 | -1,537,697 | ' | ' | ' | ' |
Total Gyrodyne Stockholdersb Equity | 8,194,789 | ' | ' | ' | ' |
Total equity | 8,194,789 | ' | ' | ' | ' |
Total Liabilities and Equity | 27,258,507 | ' | ' | ' | ' |
GSD LLC [Member] | ' | ' | ' | ' | ' |
Rental property: | ' | ' | ' | ' | ' |
Land | 1,733,693 | ' | ' | ' | ' |
Building and improvements | 11,307,442 | ' | ' | ' | ' |
Machinery and equipment | 344,733 | ' | ' | ' | ' |
| 13,385,868 | ' | ' | ' | ' |
Less accumulated depreciation | 4,807,276 | ' | ' | ' | ' |
| 8,578,592 | ' | ' | ' | ' |
Land held for development: | ' | ' | ' | ' | ' |
Land | 558,466 | ' | ' | ' | ' |
Land development costs | 1,923,822 | ' | ' | ' | ' |
| 2,482,288 | ' | ' | ' | ' |
Total real estate, net | 11,060,880 | ' | ' | ' | ' |
Assets held for sale | 22,411,392 | ' | ' | ' | ' |
Rent receivable, net of allowance for doubtful accounts of approximately $74,000 | 31,988 | ' | ' | ' | ' |
Deferred rent receivable | 48,365 | ' | ' | ' | ' |
Prepaid expenses and other assets | 258,602 | ' | ' | ' | ' |
Total Assets | 33,811,227 | ' | ' | ' | ' |
LIABILITIES: | ' | ' | ' | ' | ' |
Accounts payable | 144,780 | ' | ' | ' | ' |
Deferred rent liability | 23,557 | ' | ' | ' | ' |
Tenant security deposits payable | 253,100 | ' | ' | ' | ' |
Liabilities related to assets held for sale | 9,667,675 | ' | ' | ' | ' |
GSD Line of Credit | 3,000,459 | ' | ' | ' | ' |
Mortgage Payable | 3,829,050 | ' | ' | ' | ' |
Total Liabilities | 16,918,621 | ' | ' | ' | ' |
EQUITY: | ' | ' | ' | ' | ' |
Deficit | -2,173,862 | ' | ' | ' | ' |
| -2,173,862 | ' | ' | ' | ' |
Total Gyrodyne Stockholdersb Equity | -2,173,862 | ' | ' | ' | ' |
Non-controlling interest in GSD, LLC | 19,066,468 | ' | ' | ' | ' |
Total equity | 16,892,606 | ' | ' | ' | ' |
Total Liabilities and Equity | 33,811,227 | ' | ' | ' | ' |
Consolidated Entities [Member] | ' | ' | ' | ' | ' |
Rental property: | ' | ' | ' | ' | ' |
Land | 1,733,693 | ' | ' | ' | ' |
Building and improvements | 11,307,442 | ' | ' | ' | ' |
Machinery and equipment | 344,733 | ' | ' | ' | ' |
| 13,385,868 | ' | ' | ' | ' |
Less accumulated depreciation | 4,807,276 | ' | ' | ' | ' |
| 8,578,592 | ' | ' | ' | ' |
Land held for development: | ' | ' | ' | ' | ' |
Land | 558,466 | ' | ' | ' | ' |
Land development costs | 1,923,822 | ' | ' | ' | ' |
| 2,482,288 | ' | ' | ' | ' |
Total real estate, net | 11,060,880 | ' | ' | ' | ' |
Assets held for sale | 22,411,392 | ' | ' | ' | ' |
Cash and cash equivalents | 4,377,093 | ' | ' | ' | ' |
Investment in marketable securities | 6,071,506 | ' | ' | ' | ' |
Rent receivable, net of allowance for doubtful accounts of approximately $74,000 | 31,988 | ' | ' | ' | ' |
Deferred rent receivable | 48,365 | ' | ' | ' | ' |
GSD Line of Credit | 3,000,459 | ' | ' | ' | ' |
Prepaid expenses and other assets | 350,848 | ' | ' | ' | ' |
Prepaid pension costs | 586,401 | ' | ' | ' | ' |
Mortgage receivable | 13,130,802 | ' | ' | ' | ' |
Total Assets | 61,069,734 | ' | ' | ' | ' |
LIABILITIES: | ' | ' | ' | ' | ' |
Accounts payable | 250,523 | ' | ' | ' | ' |
Accrued liabilities | 513,515 | ' | ' | ' | ' |
Deferred rent liability | 23,557 | ' | ' | ' | ' |
Tenant security deposits payable | 253,100 | ' | ' | ' | ' |
Liabilities related to assets held for sale | 9,667,675 | ' | ' | ' | ' |
GSD Line of Credit | 3,000,459 | ' | ' | ' | ' |
Mortgage Payable | 3,829,050 | ' | ' | ' | ' |
Deferred income taxes | 1,315,000 | ' | ' | ' | ' |
Dividend payable | 682,033 | ' | ' | ' | ' |
Notes payable | 16,447,427 | ' | ' | ' | ' |
Total Liabilities | 35,982,339 | ' | ' | ' | ' |
EQUITY: | ' | ' | ' | ' | ' |
Common stock, $1 par value; authorized 4,000,000 shares; 1,723,888 shares issued; 1,482,680 shares outstanding | 1,723,888 | ' | ' | ' | ' |
Additional paid-in capital | 17,753,505 | ' | ' | ' | ' |
Accumulated other comprehensive income | 118,219 | ' | ' | ' | ' |
Deficit | -12,036,988 | ' | ' | ' | ' |
| 7,558,624 | ' | ' | ' | ' |
Less cost of shares of common stock held in treasury; 241,208 | -1,537,697 | ' | ' | ' | ' |
Total Gyrodyne Stockholdersb Equity | 6,020,927 | ' | ' | ' | ' |
Non-controlling interest in GSD, LLC | 19,066,468 | ' | ' | ' | ' |
Total equity | 25,087,395 | ' | ' | ' | ' |
Total Liabilities and Equity | $61,069,734 | ' | ' | ' | ' |