Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details Narrative)

v3.19.3
Significant Accounting Policies (Details Narrative)
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Sep. 30, 2019
USD ($)
Segment
Sep. 30, 2018
USD ($)
Jan. 02, 2019
USD ($)
Dec. 31, 2018
USD ($)
Significant Accounting Policies [Line Items]            
Marketable investments      
Operating segments | Segment     1      
Cash 5,184,555   $ 5,184,555     808,943
Prepaid expenses 2,685,923   2,685,923     2,491,844
Property and equipment, net 4,891,063   $ 4,891,063     2,705,206
Cash payments for refundable research and development tax credits 4,100,000          
Valuation allowance     100.00%      
Uncertain tax position      
Other income 4,109,338 4,109,338    
Impairment charges        
Operating lease liability 8,326,901   8,326,901      
Operating lease, right of use asset 5,569,999   $ 5,569,999    
ASU 2016-02 [Member]            
Significant Accounting Policies [Line Items]            
Operating lease liability         $ 3,800,000  
Operating lease, right of use asset         $ 2,400,000  
Computer Hardware and Software [Member]            
Significant Accounting Policies [Line Items]            
Estimated useful life of all property and equipment     3 years      
United Kingdom [Member]            
Significant Accounting Policies [Line Items]            
Cash held in subsidiary 4,928,000   $ 4,928,000     702,000
Cash 4,928,000   4,928,000     702,000
Prepaid expenses 1,481,000   1,481,000     1,183,000
Other assets 36,000   36,000     28,000
Property and equipment, net $ 59,000   $ 59,000     $ 54,000
Minimum [Member] | Office Furniture and Equipment [Member]            
Significant Accounting Policies [Line Items]            
Estimated useful life of all property and equipment     3 years      
Maximum [Member] | Office Furniture and Equipment [Member]            
Significant Accounting Policies [Line Items]            
Estimated useful life of all property and equipment     5 years