Quarterly report pursuant to Section 13 or 15(d)

Allocation (Details Textual)

v3.10.0.1
Allocation (Details Textual) - Lucy Lu's [Member] - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Compensation Expense   $ 0.0 $ 0.1 $ 0.0 $ 0.2
Compensation Allocation Percentage 100.00%        
Research and Development Expense [Member]          
Compensation Allocation Percentage   50.00%   50.00%  
General and Administrative Expense [Member]          
Compensation Allocation Percentage   50.00%   50.00%