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Condensed Consolidated Statement of Changes in Equity (Unaudited) - 6 months ended Jun. 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 (779,559)     (994,387) (994,387) 214,828
Dividends declared/reinvested, value (2,436,596) $ 1,194 1,106,676 (3,544,466) (2,436,596)  
Dividends declared/reinvested (in shares)   119,407        
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 1,004,164         1,004,164
Ending balance at Jun. 30, 2017 $ 53,520,245 $ 176,193 $ 150,629,093 $ (111,162,810) $ 39,642,476 $ 13,877,769
Ending balance (in shares) at Jun. 30, 2017   17,619,118