Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Assets and Liabilities

Assets and liabilities measured at fair value are summarized below:

	Total Fair Value		Quoted Prices In Active Markets For Identical Assets/Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Recurring items as of June 30, 2018
Investment securities, available for sale	$	13,442,107	$	13,442,107	$	─	$	─
Recurring items as of December 31, 2017
Investment securities, available for sale	$	12,724,020	$	12,724,020	$	─	$	─
Liabilities:
Recurring items as of June 30, 2018
Earn-out milestone liability (Note 13)	$	13,085,849	$	─	$	─	$	13,085,849
Recurring items as of December 31, 2017
Earn-out milestone liability (Note 13)	$	12,538,525	$	─	$	─	$	12,538,525