XML 24 R6.htm IDEA: XBRL DOCUMENT v3.19.1
Consolidated Statements of Equity - USD ($)
Total
Common stock
Retained earnings
Noncontrolling interest
Equity, balance at Dec. 31, 2015 $ 76,819,783 $ 57,338,294 $ 19,549,614 $ (68,125)
Equity, common shares outstanding at Dec. 31, 2015   16,379,501    
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Net income (loss) attributable to common shareholders (944,683)   (944,683)  
Net loss at subsidiary attributable to noncontrolling interests (59,255)     (59,255)
Net income (loss) (1,003,938)      
Share-based compensation, amount 852,102 $ 852,102    
Share-based compensation, shares   223,987    
Exercise of options and related tax benefit (1,026,413) $ (1,026,413)    
Exercise of options and related tax benefit, shares   3,409    
Repurchase of common shares (2,520,715) $ (2,520,715)    
Repurchase of common shares, shares   (529,312)    
Equity, balance at Dec. 31, 2016 73,120,819 $ 54,643,268 18,604,931 (127,380)
Equity, common shares outstanding at Dec. 31, 2016   16,074,176    
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Net income (loss) attributable to common shareholders (7,978,633)   (7,978,633)  
Net loss at subsidiary attributable to noncontrolling interests (71,182)     (71,182)
Net income (loss) (8,049,815)      
Share-based compensation, amount 1,115,063 $ 1,115,063    
Share-based compensation, shares   146,275    
Charitable contribution of shares, shares   50,000    
Exercise of options and related tax benefit 372,500      
Repurchase of common shares (3,719,890) $ (3,719,890)    
Repurchase of common shares, shares   (547,376)    
Equity, balance at Dec. 31, 2017 $ 63,921,601 $ 52,410,941 11,709,222 (198,562)
Equity, common shares outstanding at Dec. 31, 2017 16,074,176 15,723,075    
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Cumulative effect from change in accounting principle (Note 12) $ 1,082,924   1,082,924  
Net income (loss) attributable to common shareholders (2,379,239)      
Equity, balance at Dec. 31, 2017 $ 63,921,601 $ 52,410,941 11,709,222 (198,562)
Equity, common shares outstanding at Dec. 31, 2017 16,074,176 15,723,075    
Increase (Decrease) in Shareholders' Equity [Roll Forward]        
Net income (loss) attributable to common shareholders $ (6,963,068)   (6,963,068)  
Net loss at subsidiary attributable to noncontrolling interests (75,704)     (75,704)
Net income (loss) (7,038,772)      
Share-based compensation, amount 1,364,698 $ 1,364,698    
Share-based compensation, shares   170,759    
Proceeds from sale of common stock, net of offering costs 200,909 $ 200,909    
Proceeds from the sale of common stock, net of offering costs, shares   30,704    
Repurchase of common shares (2,877,935) $ (2,877,935)    
Repurchase of common shares, shares   (443,041)    
Equity, balance at Dec. 31, 2018 $ 55,570,501 $ 51,098,613 $ 4,746,154 $ (274,266)
Equity, common shares outstanding at Dec. 31, 2018 15,723,075 15,481,497