Note 6 - Real Estate Assets Held for Sale and Discontinued Operations (Details) - Discontinued Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues
Rental income	$ 582,321	$ 532,676	$ 1,153,751	$ 1,077,138
Expenses
Rental expenses	447,145	420,360	897,831	854,580
Depreciation	160,872	149,786	320,554	297,407
Net income from discontinuing operations	135,176	112,316	255,920	222,558
Rental Income [Member]
Revenues
Rental income	533,405	490,024	1,042,091	968,935
Rental Income - Tenant Reimbursements [Member]
Revenues
Rental income	48,916	42,652	111,660	108,203
Rental Expense [Member]
Expenses
Rental expenses	$ 286,273	$ 270,574	$ 577,277	$ 557,173