Quarterly report pursuant to Section 13 or 15(d)

NATURE OF BUSINESS, ORGANIZATION AND GOING CONCERN - Additional Information (Details)

v3.19.2
NATURE OF BUSINESS, ORGANIZATION AND GOING CONCERN - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Retained Earnings (Accumulated Deficit) $ (104,397,545)       $ (104,397,545)   $ (97,588,343)  
Operating Income (Loss) $ (3,200,359)   $ (2,904,919)   $ (6,830,171) $ (6,358,446)    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options 49,425       49,425   49,425  
Net Income (Loss) Attributable to Parent $ (3,187,561) $ (3,621,641) (2,920,691) $ (3,475,823) $ (6,809,202) (6,396,514)    
Retained Earnings (Accumulated Deficit) (104,397,545)       (104,397,545)   $ (97,588,343)  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 16,849,631   $ 4,235,744   16,849,631 4,235,744 13,310,616 $ 10,061,421
Cash, Uninsured Amount 16,300,000       16,300,000   12,800,000  
Lessee, Operating Lease, Liability, Payments, Due 716,000       716,000      
Impairment Charges         $ 0   0  
Leasehold Improvements [Member]                
Property, Plant and Equipment, Useful Life         64 months      
Goodwill [Member]                
Impairment of Intangible Assets, Finite-lived         $ 0 $ 0    
Maximum                
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      
Minimum                
Property, Plant and Equipment, Useful Life         3 years      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period         7 months      
Certificates of Deposit [Member]                
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents             $ 55,000