Derivative Financial Instruments (Tables)
|12 Months Ended
Dec. 31, 2018
|Investments, All Other Investments [Abstract]
|Schedule of Derivative Liabilities
A summary of the activity of the derivative liabilities is shown below:
|Schedule of Derivative Liability of Fair Value Assumption
Expected life was determined based on historical exercise data of the Company.
Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef