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 Stockholders’ 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 Stockholders’ 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 Stockholders’ 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 Stockholders’ 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 Stockholders’ Equity	7,167,405
Non-controlling interest in GSD, LLC	$ 19,066,468