Quarterly report pursuant to Section 13 or 15(d)

Allocation (Details Textual)

v3.7.0.1
Allocation (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Allocated Share-based Compensation Expense $ 100,000 $ 70,000 $ 200,000 $ 200,000
IPO [Member]        
Allocated Share-based Compensation Expense     $ 600,000  
Research and Development Expense [Member]        
Share Based Compensation Allocation Percentage     50.00%  
General and Administrative Expense [Member]        
Share Based Compensation Allocation Percentage     50.00%