Note 5 - Consolidating Financial Information (Details) - Consolidated Balance Sheet (USD $) | Jun. 30, 2014 | Dec. 31, 2013 | Jun. 30, 2013 | Dec. 31, 2012 |
Rental property: | ' | ' | ' | ' |
Land | $1,733,693 | $1,785,293 | ' | ' |
Building and improvements | 11,175,728 | 11,205,934 | ' | ' |
Machinery and equipment | 344,733 | 344,733 | ' | ' |
| 13,254,154 | 13,335,960 | ' | ' |
Less accumulated depreciation | 4,725,234 | 4,557,615 | ' | ' |
| 8,528,920 | 8,778,345 | ' | ' |
Land held for development: | ' | ' | ' | ' |
Land | 558,466 | 558,466 | ' | ' |
Land development costs | 1,895,046 | 1,823,847 | ' | ' |
| 2,453,512 | 2,382,313 | ' | ' |
Total real estate, net | 10,982,432 | 11,160,658 | ' | ' |
Assets held for sale | 22,320,755 | 22,024,321 | ' | ' |
Cash and cash equivalents | 6,346,983 | 13,048,827 | 88,528,298 | 94,164,722 |
Investment in marketable securities | 4,703,470 | 3,380,864 | ' | ' |
Rent receivable, net of allowance for doubtful accounts of approximately $98,000 | 58,024 | 82,663 | ' | ' |
Deferred rent receivable | 51,366 | 57,369 | ' | ' |
Prepaid expenses and other assets | 578,360 | 618,279 | ' | ' |
Prepaid pension costs | 593,870 | 608,807 | ' | ' |
Total Assets | 45,635,260 | 50,981,788 | ' | ' |
LIABILITIES: | ' | ' | ' | ' |
Accounts payable | 696,921 | 1,603,279 | ' | ' |
Accrued liabilities | 281,664 | 3,246,403 | ' | ' |
Deferred rent liability | 36,474 | 21,387 | ' | ' |
Tenant security deposits payable | 268,790 | 271,658 | ' | ' |
Liabilities related to assets held for sale | 355,111 | 381,966 | ' | ' |
Deferred income taxes | 1,315,000 | 1,315,000 | ' | ' |
Note's payable | 16,447,427 | 16,144,614 | ' | ' |
Total Liabilities | 19,401,387 | 22,984,307 | ' | ' |
Total equity | 26,233,873 | 27,997,481 | ' | ' |
Total Liabilities and Equity | 45,635,260 | 50,981,788 | ' | ' |
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 | 177,107 | 118,789 | ' | ' |
Deficit | -9,161,284 | -9,119,471 | ' | ' |
| 10,493,216 | 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 | 8,955,519 | 8,939,014 | ' | ' |
Non-controlling interest in GSD, LLC | 17,278,354 | 19,058,467 | ' | ' |
Consolidation, Eliminations [Member] | ' | ' | ' | ' |
Land held for development: | ' | ' | ' | ' |
GSD Line of Credit | -2,482,852 | ' | ' | ' |
Mortgage receivable | -13,369,800 | ' | ' | ' |
Total Assets | -15,852,652 | ' | ' | ' |
LIABILITIES: | ' | ' | ' | ' |
Liabilities related to assets held for sale | -9,433,314 | ' | ' | ' |
GSD Line of Credit | -2,482,852 | ' | ' | ' |
Mortgage Payable | -3,936,486 | ' | ' | ' |
Total Liabilities | -15,852,652 | ' | ' | ' |
Total Liabilities and Equity | -15,852,652 | ' | ' | ' |
EQUITY: | ' | ' | ' | ' |
Deficit | 1,788,114 | ' | ' | ' |
| 1,788,114 | ' | ' | ' |
Total Gyrodyne Stockholdersb Equity | 1,788,114 | ' | ' | ' |
Non-controlling interest in GSD, LLC | -1,788,114 | ' | ' | ' |
Parent Company [Member] | ' | ' | ' | ' |
Land held for development: | ' | ' | ' | ' |
Cash and cash equivalents | 6,346,983 | ' | ' | ' |
Investment in marketable securities | 4,703,470 | ' | ' | ' |
GSD Line of Credit | 2,482,852 | ' | ' | ' |
Prepaid expenses and other assets | 149,724 | ' | ' | ' |
Prepaid pension costs | 593,870 | ' | ' | ' |
Mortgage receivable | 13,369,800 | ' | ' | ' |
Total Assets | 27,646,699 | ' | ' | ' |
LIABILITIES: | ' | ' | ' | ' |
Accounts payable | 647,089 | ' | ' | ' |
Accrued liabilities | 281,664 | ' | ' | ' |
Deferred income taxes | 1,315,000 | ' | ' | ' |
Note's payable | 16,447,427 | ' | ' | ' |
Total Liabilities | 18,691,180 | ' | ' | ' |
Total equity | 8,955,519 | ' | ' | ' |
Total Liabilities and Equity | 27,646,699 | ' | ' | ' |
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 | 177,107 | ' | ' | ' |
Deficit | -9,161,284 | ' | ' | ' |
| 10,493,216 | ' | ' | ' |
Less cost of shares of common stock held in treasury; 241,208 | -1,537,697 | ' | ' | ' |
Total Gyrodyne Stockholdersb Equity | 8,955,519 | ' | ' | ' |
GSD LLC [Member] | ' | ' | ' | ' |
Rental property: | ' | ' | ' | ' |
Land | 1,733,693 | ' | ' | ' |
Building and improvements | 11,175,728 | ' | ' | ' |
Machinery and equipment | 344,733 | ' | ' | ' |
| 13,254,154 | ' | ' | ' |
Less accumulated depreciation | 4,725,234 | ' | ' | ' |
| 8,528,920 | ' | ' | ' |
Land held for development: | ' | ' | ' | ' |
Land | 558,466 | ' | ' | ' |
Land development costs | 1,895,046 | ' | ' | ' |
| 2,453,512 | ' | ' | ' |
Total real estate, net | 10,982,432 | ' | ' | ' |
Assets held for sale | 22,320,755 | ' | ' | ' |
Rent receivable, net of allowance for doubtful accounts of approximately $98,000 | 58,024 | ' | ' | ' |
Deferred rent receivable | 51,366 | ' | ' | ' |
Prepaid expenses and other assets | 428,636 | ' | ' | ' |
Total Assets | 33,841,213 | ' | ' | ' |
LIABILITIES: | ' | ' | ' | ' |
Accounts payable | 49,832 | ' | ' | ' |
Deferred rent liability | 36,474 | ' | ' | ' |
Tenant security deposits payable | 268,790 | ' | ' | ' |
Liabilities related to assets held for sale | 9,788,425 | ' | ' | ' |
GSD Line of Credit | 2,482,852 | ' | ' | ' |
Mortgage Payable | 3,936,486 | ' | ' | ' |
Total Liabilities | 16,562,859 | ' | ' | ' |
Total equity | 17,278,354 | ' | ' | ' |
Total Liabilities and Equity | 33,841,213 | ' | ' | ' |
EQUITY: | ' | ' | ' | ' |
Deficit | -1,788,114 | ' | ' | ' |
| -1,788,114 | ' | ' | ' |
Total Gyrodyne Stockholdersb Equity | -1,788,114 | ' | ' | ' |
Non-controlling interest in GSD, LLC | 19,066,468 | ' | ' | ' |
Consolidated Entities [Member] | ' | ' | ' | ' |
Rental property: | ' | ' | ' | ' |
Land | 1,733,693 | ' | ' | ' |
Building and improvements | 11,175,728 | ' | ' | ' |
Machinery and equipment | 344,733 | ' | ' | ' |
| 13,254,154 | ' | ' | ' |
Less accumulated depreciation | 4,725,234 | ' | ' | ' |
| 8,528,920 | ' | ' | ' |
Land held for development: | ' | ' | ' | ' |
Land | 558,466 | ' | ' | ' |
Land development costs | 1,895,046 | ' | ' | ' |
| 2,453,512 | ' | ' | ' |
Total real estate, net | 10,982,432 | ' | ' | ' |
Assets held for sale | 22,320,755 | ' | ' | ' |
Cash and cash equivalents | 6,346,983 | ' | ' | ' |
Investment in marketable securities | 4,703,470 | ' | ' | ' |
Rent receivable, net of allowance for doubtful accounts of approximately $98,000 | 58,024 | ' | ' | ' |
Deferred rent receivable | 51,366 | ' | ' | ' |
GSD Line of Credit | 2,482,852 | ' | ' | ' |
Prepaid expenses and other assets | 578,360 | ' | ' | ' |
Prepaid pension costs | 593,870 | ' | ' | ' |
Mortgage receivable | 13,369,800 | ' | ' | ' |
Total Assets | 61,487,912 | ' | ' | ' |
LIABILITIES: | ' | ' | ' | ' |
Accounts payable | 696,921 | ' | ' | ' |
Accrued liabilities | 281,664 | ' | ' | ' |
Deferred rent liability | 36,474 | ' | ' | ' |
Tenant security deposits payable | 268,790 | ' | ' | ' |
Liabilities related to assets held for sale | 9,788,425 | ' | ' | ' |
GSD Line of Credit | 2,482,852 | ' | ' | ' |
Mortgage Payable | 3,936,486 | ' | ' | ' |
Deferred income taxes | 1,315,000 | ' | ' | ' |
Note's payable | 16,447,427 | ' | ' | ' |
Total Liabilities | 35,254,039 | ' | ' | ' |
Total equity | 26,233,873 | ' | ' | ' |
Total Liabilities and Equity | 61,487,912 | ' | ' | ' |
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 | 177,107 | ' | ' | ' |
Deficit | -10,949,398 | ' | ' | ' |
| 8,705,102 | ' | ' | ' |
Less cost of shares of common stock held in treasury; 241,208 | -1,537,697 | ' | ' | ' |
Total Gyrodyne Stockholdersb Equity | 7,167,405 | ' | ' | ' |
Non-controlling interest in GSD, LLC | $19,066,468 | ' | ' | ' |