XML 45 R34.htm IDEA: XBRL DOCUMENT v3.20.2
Stockholders' Equity - Schedule of Changes in Stockholders Equity (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Beginning balance $ 257,061,115 $ 279,217,346 $ 284,471,958 $ 275,034,091
Issuance of common stock 2,540,425   2,540,425 1,172,625
Stock-based compensation 228,968 602,508 694,671 1,734,698
Purchase of treasury stock (2,493) (5,588) (34,412) (36,672)
Net income (loss) (2,724,774) 3,043,899 (29,838,734) 8,666,163
Cash dividends   (1,389,273) (1,398,321) (4,166,097)
Noncontrolling interest created in consolidation     667,654  
Ending balance $ 257,103,241 $ 281,468,892 $ 257,103,241 281,468,892
Change in accounting principle [Member]        
Beginning balance       $ (935,916)