Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)

v3.20.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 10,614,722 $ 13,310,616 $ 10,061,421
Impairment Charges 0 0  
Goodwill, Impairment Loss 0 $ 1,675,462  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options   49,425  
Cash, Uninsured Amount 10,100,000    
Lessee, Operating Lease, Liability, Payments, Due $ 641,000    
Minimum [Member]      
Property, Plant and Equipment, Useful Life 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 7 months    
Maximum [Member]      
Property, Plant and Equipment, Useful Life 10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 3 years    
Lessee, Operating Lease, Liability, Payments, Due $ 100,000 $ 100,000  
Certificates of Deposit [Member]      
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents   $ 55,000  
Leasehold Improvements [Member]      
Property, Plant and Equipment, Useful Life 64 months