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Fair Value Measurements - Schedule of Fair Value of Assets and Liabilities (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Investment securities, available for sale	$ 20,166,768	$ 14,257,998
Earn-out milestone liability	5,777,664	8,907,664
Corporate Debt Securities [Member]
Investment securities, available for sale	20,166,768	14,228,126
Fair Value, Measurements, Recurring [Member]
Earn-out milestone liability	5,777,664	8,907,664
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Earn-out milestone liability
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Earn-out milestone liability
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Earn-out milestone liability	5,777,664	8,907,664
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member]
Investment securities, available for sale	20,166,678	14,257,998
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities, available for sale
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities, available for sale	20,166,678	14,257,998
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities, available for sale

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

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-Publisher FASB
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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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