Stock Plans and Share-Based Payments (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of Fair Value Assumptions

The below weighted average assumptions for the risk-free interest rates, expected dividend yield, expected lives and expected stock price volatility were utilized for the stock options granted during the six months ended June 30, 2019.

Weighted Average Assumptions for Option Grants
Stock Price Volatility	98.8	%
Risk-Free Interest Rates	2.3	%
Expected Life (in years)	6.12
Expected Dividend Yield	-	%

SRP Equity Incentive Plan [Member]

Schedule of Fair Value Assumptions

The below weighted average assumptions for the risk-free interest rates, expected dividend yield, expected lives and expected stock price volatility were utilized for the stock options granted by SRP during the six months ended June 30, 2019.

Weighted Average Assumptions for Option Grants
Stock Price Volatility	92.4	%
Risk-Free Interest Rates	2.3	%
Expected Life (in years)	6.10
Expected Dividend Yield	-	%