Note 4 - Consolidating Financial Information (Details) - Consolidated Balance Sheet (USD $)	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Rental property:
Land	$ 4,621,293	$ 4,621,293
Building and improvements	32,864,821	32,626,185
Machinery and equipment	344,733	344,733
	37,830,847	37,592,211
Less accumulated depreciation	7,475,739	7,234,846
	30355108.00%
Land held for development:
Land	558,466	558,466
Land development costs	1,862,048	1,823,847
	2,420,514	2,382,313
Total real estate, net	32,775,622	32,739,678
Cash and cash equivalents	8,481,571	13,048,827	88,864,560	94,164,722
Investment in marketable securities	3,301,875	3,380,864
Rent receivable, net of allowance for doubtful accounts of approximately $76,000	205,547	95,829
Deferred rent receivable	216,123	215,709
Prepaid expenses and other assets	838,236	892,074
Prepaid pension costs	601,338	608,807
Total Assets	46,420,312	50,981,788
LIABILITIES:
Accounts payable	630,277	1,710,257
Accrued liabilities	392,998	3,246,403
Deferred rent liability	101,225	93,922
Tenant security deposits payable	480,392	474,111
Deferred income taxes	1,315,000	1,315,000
Dividend note payable	16,144,614	16,144,614
Total Liabilities	19,064,506	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 loss	148,772	118,789
Deficit retained earnings	(9,107,399)	(9,119,471)
	10,518,766	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	8,981,069	8,939,014
Non-controlling interest in GSD, LLC	18,374,737	19,058,467
Total equity	27,355,806	27,997,481
Total Liabilities and Equity	46,420,312	50,981,788
Consolidation, Eliminations [Member]
Land held for development:
GSD Line of Credit	(1,049,963)
Mortgage receivable	(13,606,486)
Total Assets	(14,656,449)
LIABILITIES:
GSD Line of Credit	(1,049,963)
Mortgage Payable	(13,606,486)
Total Liabilities	(14,656,449)
EQUITY:
Deficit retained earnings	691,731
	691,731
Total Gyrodyne Stockholders’ Equity	691,731
Non-controlling interest in GSD, LLC	(691,731)
Total Liabilities and Equity	(14,656,449)
Parent Company [Member]
Land held for development:
Cash and cash equivalents	8,481,571
Investment in marketable securities	3,301,875
GSD Line of Credit	1,049,963
Prepaid expenses and other assets	114,624
Prepaid pension costs	601,338
Mortgage receivable	13,606,486
Total Assets	27,155,857
LIABILITIES:
Accounts payable	354,517
Accrued liabilities	360,657
Deferred income taxes	1,315,000
Dividend note payable	16,144,614
Total Liabilities	18,174,788
EQUITY:
Common stock, $1 par value; authorized 4,000,000 shares; 1,723,888 shares issued; 1,482,680 shares outstanding	1,723,888
Additional paid-in capital	17,753,505
Accumulated other comprehensive loss	148,772
Deficit retained earnings	(9,107,399)
	10,518,766
Less cost of shares of common stock held in treasury; 241,208	(1,537,697)
Total Gyrodyne Stockholders’ Equity	8,981,069
Total equity	8,981,069
Total Liabilities and Equity	27,155,857
GSD LLC [Member]
Rental property:
Land	4,621,293
Building and improvements	32,864,821
Machinery and equipment	344,733
	37,830,847
Less accumulated depreciation	7,475,739
	30355108.00%
Land held for development:
Land	558,466
Land development costs	1,862,048
	2,420,514
Total real estate, net	32,775,622
Rent receivable, net of allowance for doubtful accounts of approximately $76,000	205,547
Deferred rent receivable	216,123
Prepaid expenses and other assets	723,612
Total Assets	33,920,904
LIABILITIES:
Accounts payable	275,760
Accrued liabilities	32,341
Deferred rent liability	101,225
Tenant security deposits payable	480,392
GSD Line of Credit	1,049,963
Mortgage Payable	13,606,486
Total Liabilities	15,546,167
EQUITY:
Deficit retained earnings	(691,731)
	(691,731)
Total Gyrodyne Stockholders’ Equity	(691,731)
Non-controlling interest in GSD, LLC	19,066,468
Total equity	18,374,737
Total Liabilities and Equity	33,920,904
Consolidated Entities [Member]
Rental property:
Land	4,621,293
Building and improvements	32,864,821
Machinery and equipment	344,733
	37,830,847
Less accumulated depreciation	7,475,739
	30355108.00%
Land held for development:
Land	558,466
Land development costs	1,862,048
	2,420,514
Total real estate, net	32,775,622
Cash and cash equivalents	8,481,571
Investment in marketable securities	3,301,875
Rent receivable, net of allowance for doubtful accounts of approximately $76,000	205,547
Deferred rent receivable	216,123
GSD Line of Credit	1,049,963
Prepaid expenses and other assets	838,236
Prepaid pension costs	601,338
Mortgage receivable	13,606,486
Total Assets	61,076,761
LIABILITIES:
Accounts payable	630,277
Accrued liabilities	392,998
Deferred rent liability	101,225
Tenant security deposits payable	480,392
GSD Line of Credit	1,049,963
Mortgage Payable	13,606,486
Deferred income taxes	1,315,000
Dividend note payable	16,144,614
Total Liabilities	33,720,955
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 loss	148,772
Deficit retained earnings	(9,799,130)
	9,827,035
Less cost of shares of common stock held in treasury; 241,208	(1,537,697)
Total Gyrodyne Stockholders’ Equity	8,289,338
Non-controlling interest in GSD, LLC	19,066,468
Total equity	27,355,806
Total Liabilities and Equity	$ 61,076,761