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Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Payables and Accruals [Abstract]

Schedule of Other Accrued Liabilities

Other accrued liabilities at March 31, 2019 and December 31, 2018 include the following:

		March 31, 2019 (Unaudited)				December 31, 2018
Amounts due to contract research organizations and other contractual agreements		$	1,316,545			$	749,369
Accrued payroll and related benefits			803,706				1,592,590
Accrued professional fees			323,304				198,654
Other			19,410				45,285
Total		$	2,462,965			$	2,585,898