COMMON STOCK AND EARNINGS PER SHARE - Summary of Common Stock and Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Available to Common Shareholders:
Net Income	$ 1,486,022	$ 296,172	$ 18,550,919	$ 25,371,379
Weighted Average Shares Outstanding	4,868,133	5,491,181	5,053,407	5,516,989
Common Shares Applicable to Stock
Options Using the Treasury Stock Method		2,186	811	31,436
Total Shares Applicable to Diluted Earnings Per Share	4,868,133	5,493,367	5,054,218	5,548,425
Basic
Net Income from Continuing Operations (in dollars per share)	$ 0.36	$ 0.27	$ 3.79	$ 4.88
Net Income from Discontinuing Operations (in dollars per share)	(0.05)	(0.22)	(0.12)	(0.28)
Net Income (in dollars per share)	0.31	0.05	3.67	4.60
Diluted
Net Income from Continuing Operations (in dollars per share)	0.36	0.27	3.79	4.85
Net Income from Discontinuing Operations (in dollars per share)	(0.05)	(0.22)	(0.12)	(0.28)
Net Income (in dollars per share)	$ 0.31	$ 0.05	$ 3.67	$ 4.57