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Earn-out Milestone Liability - Schedule of Milestone Risk Adjustment Assessment (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Risk-adjustment Assessment of achieving each Milestone	80.00%		80.00%		80.00%
Discount Rate	9.00%	9.00%	9.00%	9.00%	9.00%	9.00%
Estimated Time to Achieve					1 year 2 months 30 days
Minimum [Member]
Risk-adjustment Assessment of achieving each Milestone		35.00%		35.00%		35.00%
Estimated Time to Achieve	1 year	1 year 29 days	9 months	9 months 29 days		1 year 3 months 29 days
Maximum [Member]
Risk-adjustment Assessment of achieving each Milestone		80.00%		80.00%		80.00%
Estimated Time to Achieve	2 years	1 year 2 months 30 days	1 year 9 months	1 year		1 year 6 months

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