TREASURY STOCK (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Feb. 29, 2020
Treasury Stock
Stock repurchased amount	$ 185,407	$ 26,971,468	$ 4,100,021	$ 31,096,662
"$10 Million Repurchase Program
Treasury Stock
Stock repurchase program authorized amount	$ 10,000,000		$ 10,000,000		$ 10,000,000
Shares repurchased (in shares)			88,565
Stock repurchased amount			$ 4,100,000
Average price per share of stock repurchased			$ 46.29