Share-Based Payments (Tables)

9 Months Ended

Sep. 30, 2019

SOP 2015

Share-Based Payments

Summary of information regarding stock option awards

		Weighted
		average
		exercise	Aggregate
		price in	intrinsic
Stock Option Plan 2015	Options	$ per share	value
Outstanding as of January 1, 2019	2,842,913	8.34
Granted	—	—
Exercised	—	—
Forfeited	(447,634)	8.46
Outstanding as of September 30, 2019	2,395,279	8.32	$	—
Vested and exercisable as of September 30, 2019	2,005,152	8.17	$	—

2017 Share Incentive Plan

Share-Based Payments

Summary of information regarding stock option awards

		Weighted
		average
		exercise		Aggregate
		price in $		intrinsic
2017 Plan	Options	per share		value
Outstanding as of January 1, 2019	2,398,425	5.41
Granted	2,463,300	1.95
Exercised	—	—
Forfeited	(351,456)	5.10
Outstanding as of September 30, 2019	4,510,269	3.55	$	224
Vested and exercisable as of September 30, 2019	1,002,665	5.70	$	1

Summary of assumptions used for valuation of options

Input parameters
Range of expected volatility	61.4% - 63.1%
Expected term of options (in years)	6.1
Range of risk-free interest rate	1.9% - 2.6%
Dividend yield	—

2019 Inducement Plan

Share-Based Payments

Summary of information regarding stock option awards

		Weighted
		average
		exercise
		price in $	Aggregate
2019 Inducement Plan	Options	per share	intrinsic value
Outstanding as of January 1, 2019	—	—
Granted	595,150	2.27
Exercised	—	—
Forfeited	(10,000)	2.02
Outstanding as of September 30, 2019	585,150	2.27	$	—
Vested and exercisable as of September 30, 2019	—	—		—

Summary of assumptions used for valuation of options

Input parameters
Expected volatility	61.6% – 63.7%
Expected term of options (in years)	6.1
Risk-free interest rate	1.42% – 2.34%
Dividend yield	—

Inducement Awards Outside of the 2019 Inducement Plan

Share-Based Payments

Summary of assumptions used for valuation of options

Input parameters
Expected volatility	59.8	%
Expected term of options (in years)	6.1
Range of risk-free interest rate	2.9	%
Dividend yield	—