Consolidated Statements of Stockholders Equity - USD ($)	Total	Common Stock [Member]	Additional Paid In Capital [Member]	Dividends In Excess of Accumulated Losses [Member]	Parent [Member]	Noncontrolling Interests [Member]
Beginning balance at Dec. 31, 2015	$ 65,163,657	$ 172,023	$ 146,712,853	$ (93,821,328)	$ 53,063,548	$ 12,100,109
Beginning balance (in shares) at Dec. 31, 2015		17,202,228
Net loss	(5,571,083)			(5,812,485)	(5,812,485)	241,402
Dividends declared, paid and reinvested, value	(4,625,757)	$ 2,506	2,361,881	(6,990,144)	(4,625,757)
Dividends declared, paid and reinvested, value		250,608
Common stock repurchased, value	(55,031)	$ (106)	(54,925)		(55,031)
Common stock repurchased (in shares)		(10,625)
Contributions received from noncontrolling interests, net of distributions paid	317,266					317,266
Vesting of restricted stock, value	520,578	$ 605	519,973		520,578
Vesting of restricted stock (in shares)		60,462
Ending balance at Dec. 31, 2016	55,749,630	$ 175,028	149,539,782	(106,623,957)	43,090,853	12,658,777
Ending balance (in shares) at Dec. 31, 2016		17,502,673
Net loss	(2,842,080)			(3,484,416)	(3,484,416)	642,336
Dividends declared, paid and reinvested, value	$ (2,448,956)	$ 1,144	1,094,290	(3,544,390)	(2,448,956)
Dividends declared, paid and reinvested, value	1,834,147	114,449
Common stock repurchased, value	$ (70,396)	$ (142)	(70,254)		(70,396)
Common stock repurchased (in shares)		(14,234)
Contributions received from noncontrolling interests, net of distributions paid	1,095,236					1,095,236
Vesting of restricted stock, value	558,734	$ 650	558,084		558,734
Vesting of restricted stock (in shares)		64,969
Ending balance at Dec. 31, 2017	$ 52,042,168	$ 176,680	$ 151,121,902	$ (113,652,763)	$ 37,645,819	$ 14,396,349
Ending balance (in shares) at Dec. 31, 2017		17,667,857