Quarterly report pursuant to Section 13 or 15(d)

NATURE OF BUSINESS, ORGANIZATION AND GOING CONCERN (Details Textual)

v3.19.1
NATURE OF BUSINESS, ORGANIZATION AND GOING CONCERN (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options 49,425   49,425  
Net Income (Loss) Attributable to Parent $ (3,621,641) $ (3,475,823)    
Retained Earnings (Accumulated Deficit) (101,209,984)   $ (97,588,343)  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 10,488,288 $ 6,875,163 13,310,616 $ 10,061,421
Cash, Uninsured Amount 10,000,000   12,800,000  
Lessee, Operating Lease, Liability, Payments, Due $ 783,000      
Leasehold Improvements [Member]        
Property, Plant and Equipment, Useful Life 64 months      
Goodwill [Member]        
Impairment of Intangible Assets, Finite-lived $ 0   1,675,462  
Maximum [Member]        
Property, Plant and Equipment, Useful Life 10 years      
Lessee, Operating Lease, Liability, Payments, Due $ 100,000      
Minimum [Member]        
Property, Plant and Equipment, Useful Life 3 years      
Certificates of Deposit [Member]        
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents     $ 55,000