Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses and other payables (Schedule of Accrued Expenses) (Details)

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Accrued Expenses and other payables (Schedule of Accrued Expenses) (Details) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Accrued Liabilities, Current [Abstract]    
Accrued clinical trial and other expenses $ 519,820 $ 580,218
Compensation and related benefits 35,295 642,532
Deferred rent 35,324 42,423
Patent fees 30,000 40,000
Other expenses related to Pelican acquisition 82,301
Accrued expenses $ 702,740 $ 1,305,173