Annual report pursuant to Section 13 and 15(d)

BUSINESS SEGMENTS - Geographic (Details)

v3.20.4
BUSINESS SEGMENTS - Geographic (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenues $ 208,938,247 $ 304,201,203 $ 290,732,049
Revenues 208,938,247 304,201,000 290,732,000
Total long-lived assets 142,907,000 153,592,000  
Domestic      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 92,837,000 105,083,000 135,892,000
Total long-lived assets 108,796,000 113,966,000  
Foreign      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 116,101,000 199,118,000 $ 154,840,000
Total long-lived assets $ 34,111,000 $ 39,626,000