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Condensed Consolidated Statement of Changes in Equity (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($)
Total
Common Stock [Member]
Additional Paid In Capital [Member]
Dividends In Excess of Accumulated Losses [Member]
Parent [Member]
Noncontrolling Interests [Member]
Beginning balance (in shares) at Dec. 31, 2015   17,202,228        
Beginning balance at Dec. 31, 2015 $ 65,163,657 $ 172,023 $ 146,712,853 $ (93,821,328) $ 53,063,548 $ 12,100,109
Net loss (1,994,030)     (2,015,386) (2,015,386) 21,356
Dividends declared/reinvested (in shares)   127,224        
Dividends declared/reinvested, value (2,226,583) $ 1,272 1,257,632 (3,485,487) (2,226,583)  
Common stock repurchased (in shares)   (10,604)        
Common stock repurchased, value (55,023) $ (106) (54,917)   (55,023)  
Contributions received from noncontrolling interests, net of distributions paid 211,173         211,173
Ending balance (in shares) at Jun. 30, 2016   17,318,848        
Ending balance at Jun. 30, 2016 $ 61,099,194 $ 173,189 $ 147,915,568 $ (99,322,201) $ 48,766,556 $ 12,332,638