XML 31 R20.htm IDEA: XBRL DOCUMENT v3.20.2
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2020
Equity [Abstract]  
Schedule of Changes in Stockholders Equity
The changes in stockholders’ equity for the three and six months ended June 30, 2019 and 2020 are as follows:
 
   
Three months ended June 30,
   
Six months ended June 30,
 
   
2019
   
2020
   
2019
   
2020
 
Beginning balance
  $275,800,979   $274,378,038   $275,034,091   $284,471,958 
Change in accounting principle
   —          (935,916    
Issuance of common stock
   —          1,172,625     
Stock-based compensation
   547,616    199,264    1,132,190    465,703 
Purchase of treasury stock
   (11,258   (16,044   (31,084   (31,919
Net income
 
(
loss
)
   4,269,001    (18,167,797   5,622,264    (27,113,960
Cash dividends
   (1,388,992       (2,776,824   (1,398,321
Noncontrolling interest created in consolidation
   —      667,654    —      667,654 
  
 
 
   
 
 
   
 
 
   
 
 
 
Ending balance
  $279,217,346   $257,061,115   $279,217,346   $257,061,115