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Condensed Consolidated Statement of Changes in Equity (Unaudited) - 9 months ended Sep. 30, 2017 - 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, 2016 $ 55,749,630 $ 175,028 $ 149,539,782 $ (106,623,957) $ 43,090,853 $ 12,658,777
Beginning balance (in shares) at Dec. 31, 2016   17,502,673        
Net (loss) income (2,355,925)     (2,770,934) (2,770,934) 415,009
Dividends declared/reinvested, value (2,448,955) $ 1,144 1,094,290 (3,544,389) (2,448,955)  
Dividends declared/reinvested (in shares)   114,449        
Common stock repurchased, value (17,394) $ (29) (17,365)   (17,394)  
Common stock repurchased (in shares)   (2,962)        
Contributions from noncontrolling interests, net of distributions paid 1,592,414         1,592,414
Ending balance at Sep. 30, 2017 $ 52,519,770 $ 176,143 $ 150,616,707 $ (112,939,280) $ 37,853,570 $ 14,666,200
Ending balance (in shares) at Sep. 30, 2017   17,614,160