Fair Value of Financial Assets and Liabilities (Details 1)	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Risk Free Interest Rate [Member]
Measurement input	0.0252	0.0198
Expected Dividend Rate [Member]
Measurement input
Minimum [Member] | Price Volatility [Member]
Measurement input	0.8988	1.0000
Minimum [Member] | Expected Term [Member]
Expected life (in years)	2 years 5 months 8 days	2 years 11 months 8 days
Maximum [Member] | Price Volatility [Member]
Measurement input	1.0961	1.3221
Maximum [Member] | Expected Term [Member]
Expected life (in years)	2 years 6 months 22 days	3 years 22 days