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Condensed Consolidated Statement of Changes in Equity (Unaudited) - 3 months ended Mar. 31, 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 (in shares) at Dec. 31, 2016   17,502,673        
Beginning balance at Dec. 31, 2016 $ 55,749,630 $ 175,028 $ 149,539,782 $ (106,623,957) $ 43,090,853 $ 12,658,777
Net (loss) income (944,185)     (1,013,700) (1,013,700) 69,515
Dividends declared/reinvested (in shares)   60,072        
Dividends declared/reinvested, value (1,198,688) $ 601 570,079 (1,769,368) (1,198,688)  
Common stock repurchased (in shares)   (2,662)        
Common stock repurchased, value (13,755) $ (27) (13,728)   (13,755)  
Contributions from noncontrolling interests, net of distributions paid 606,303         606,303
Ending balance (in shares) at Mar. 31, 2017   17,560,083        
Ending balance at Mar. 31, 2017 $ 54,199,305 $ 175,602 $ 150,096,133 $ (109,407,025) $ 40,864,710 $ 13,334,595