Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.8.0.1
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Cash and cash equivalents $ 10,116,263 $ 21,678,734 $ 5,916,006
Federal Deposit Insurance Corporation insured limits 7,369,647 17,154,377  
Accumulated other comprehensive loss (129,343) (193,297)  
Research and development expenses 8,906,006 7,904,988  
Impairment losses  
Belgian Deposit Guarantee [Member]      
Cash and cash equivalents 1,921,115 2,401,894  
Singapore Deposit Insurance [Member]      
Cash and cash equivalents 161,189 1,719,937  
UK Deposit Protection Scheme [Member]      
Cash and cash equivalents $ 184,234  
Dilutive Warrants And Options [Member]      
Potentially dilutive warrants and options 2,357,380 2,548,666