Common Stock (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Schedule of reconciliation of changes in common shares issued

A reconciliation of the changes in common shares issued is as follows:

	Year ended December 31,
	2019	2018
Shares issued at the beginning of the year	62,162,875	60,622,986
Issued as restricted stock award grants	924,022	1,539,889
Issued as restricted stock unit grants	570,000	—
Shares issued at the end of the year	63,656,897	62,162,875

Schedule of Stock Options

No stock options vested during the years ended December 31, 2019, 2018, and 2017.

Stock Options	Shares	Weighted-Average Exercise Price
Outstanding as of January 1, 2019	—	$	—
Granted	3,000,000	1.22
Exercised	—	—
Forfeited	—	—
Expired	—	—
Outstanding as of
December 31, 2019	3,000,000	$	1.22
Vested or expected to vest at
December 31, 2019	—	$	—
Options exercisable as of
December 31, 2019	—	$	—

Schedule of Valuation Assumptions

The following table sets forth significant assumptions used in the Black-Scholes model for time-vested options and the Monte Carlo model for performance-based options to determine the fair value of the options at December 31, 2019.

	Time-Vested Options		Performance-Based Options
Risk-free interest rate	1.81	%	1.84	%
Expected volatility of common stock	73.59	%	71.57	%
Expected life of options in years	5.0		7.0
Dividend yield	—	%	—	%
Vesting period in years	5.0		7.0

Schedule of restricted stock activity

Restricted stock share activity for the year ended December 31, 2019 is as follows:

Restricted Stock Shares	Shares		Weighted- Average Fair Value at Date of Grant
Non-vested at January 1, 2019	1,050,372		$	3.47
Granted to employees	1,494,022		2.62
Vested	(615,941	)	3.72
Forfeited	(299,433	)	3.16
Non-vested at December 31, 2019	1,629,020		$	2.66

Schedule of restricted stock unit activity

Restricted stock units activity for the year ended December 31, 2019 is as follows:

Restricted Stock Units	Units		Weighted- Average Fair Value at Date of Grant
RSU equivalents at January 1, 2019	301,766		$	3.94
2018 equivalents forfeited	(272,046	)	6.39
Total equivalents	29,720		—
2019 equivalents granted	1,071,530		3.75
2019 equivalents forfeited	(62,776	)	1.66
RSU equivalents at December 31, 2019	1,038,474		$	3.24