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Stockholders’ Deficit (Tables)
 12 Months Ended
Dec. 31, 2021
Summary of our Outstanding and Exercisable Warrants and Related Transactions

The following table summarizes the status of our outstanding and exercisable warrants and related for each of the following years (in thousands, except weighed average exercise price and weighted average remaining contractual life data):

 

 

Warrants outstanding and exercisable

 

 

 

Warrants

 

 

Weighted

Average

Exercise

Price

 

 

Aggregate

Intrinsic

Value

 

 

Weighted

Average

Remaining

Contractual

Life

(in Years)

 

Balance, January 1, 2019

 

 

3,008

 

 

$

2.78

 

 

$

4,826

 

 

 

1.6

 

Issued/granted

 

 

75

 

 

 

5.63

 

 

 

 

 

 

 

 

 

Exercised

 

 

(1,250

)

 

 

3.20

 

 

 

2,263

 

 

 

 

 

Balance, December 31, 2019

 

 

1,833

 

 

 

2.62

 

 

 

2,448

 

 

 

2.0

 

Issued/granted

 

 

4,752

 

 

 

1.19

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(50

)

 

 

6.35

 

 

 

 

 

 

 

 

 

Balance, December 31, 2020

 

 

6,535

 

 

 

1.55

 

 

 

1,041

 

 

 

7.3

 

Exercised

 

 

(1,163

)

 

 

0.31

 

 

 

1,146

 

 

 

 

 

Expired

 

 

(245

)

 

 

7.90

 

 

 

 

 

 

 

 

 

Balance, December 31, 2021

 

 

5,127

 

 

$

1.52

 

 

$

—

 

 

 

8.3

 

 
Summary of Outstanding Awards Issued Pursuant to Share-based Payment Award Plans and Inducement Grants

The following table summarizes the outstanding awards issued pursuant to our share-based payment award plans and inducement grants as of December 31, 2021 and the remaining shares of common stock available for future issuance (in thousands):

Plan Name

 

Options

 

 

RSUs

 

 

PSUs (1)

 

 

Remaining shares of

common stock available

for future issuance (2)

 

2019 Plan (3)

 

 

3,332

 

 

 

10,174

 

 

 

5,193

 

 

 

13,054

 

2012 Plan (4)

 

 

4,601

 

 

 

—

 

 

 

—

 

 

 

—

 

2009 Plan (5)

 

 

9,722

 

 

 

—

 

 

 

—

 

 

 

—

 

2021 Inducement Grants (6)

 

 

—

 

 

 

3,410

 

 

 

3,010

 

 

 

—

 

 

 

(1)

The number of PSUs represents the base number of PSUs that may vest. The actual number of PSUs that will vest will be between zero and 11,687,530 depending on the Company’s achievement of certain performance goals.

 

(2)

The number of remaining shares of common stock available for future issuance is based on an assumption that the maximum performance goals for PSUs were achieved, where applicable.

 

(3)

As of December 31, 2021, outstanding options have exercise prices ranging from $1.07 to $2.73 and will expire between January 2022 and June 2030. Unvested RSUs will vest between January 2022 and December 2024. If and when certain performance goals are achieved, then unvested PSUs will vest between June 2022 and March 2024.

 

(4)

As of December 31, 2021, outstanding options have exercise prices ranging from $2.55 to $8.92 and will expire between March 2022 and February 2029.

 

(5)

As of December 31, 2021, outstanding options have exercise prices ranging from $1.80 to $8.92 and will expire between January 2022 and February 2029.

 

(6)

As of December 31, 2021, unvested RSUs will vest between August 2022 and October 2024 and unvested PSUs upon achievement of certain performance goals will vest between October 15, 2022 and August 2024.
Summary of Stock Option Activity

The following table summarizes the status of our outstanding and exercisable options and related transactions, including the Exchange Offer, for each for the following years (in thousands, except weighed average exercise price and weighted average remaining contractual life data):

 

 

Options awards outstanding

 

 

Options awards exercisable

 

 

 

Options

Awards

 

 

Weighted

Average

Exercise

Price

 

 

Aggregate

Intrinsic

Value

 

 

Weighted

Average

Remaining

Contractual

Life

(in Years)

 

 

Options

Awards

 

 

Weighted

Average

Exercise

Price

 

 

Aggregate

Intrinsic

Value

 

 

Weighted

Average

Remaining

Contractual

Life

(in Years)

 

Balance, January 1, 2019

 

 

20,873

 

 

$

4.93

 

 

$

12,240

 

 

 

5.9

 

 

 

16,069

 

 

$

4.61

 

 

$

12,240

 

 

 

5.1

 

Granted

 

 

4,620

 

 

 

3.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercised

 

 

(344

)

 

 

0.32

 

 

 

1,427

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(93

)

 

 

5.16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expired

 

 

(26

)

 

 

5.57

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2019

 

 

25,030

 

 

 

4.65

 

 

 

3,668

 

 

 

5.8

 

 

 

18,026

 

 

 

4.88

 

 

 

3,320

 

 

 

4.6

 

Granted

 

 

737

 

 

 

1.58

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercised

 

 

(1,182

)

 

 

0.23

 

 

 

1,739

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(416

)

 

 

3.80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expired

 

 

(387

)

 

 

3.76

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2020

 

 

23,782

 

 

 

4.80

 

 

 

152

 

 

 

5.2

 

 

 

19,863

 

 

 

5.06

 

 

 

117

 

 

 

4.6

 

Granted

 

 

60

 

 

 

1.21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercised

 

 

(111

)

 

 

0.03

 

 

 

61

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(5,048

)

 

 

6.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expired

 

 

(1,028

)

 

 

4.02

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2021

 

 

17,655

 

 

$

4.52

 

 

$

—

 

 

 

3.8

 

 

 

16,776

 

 

$

4.62

 

 

$

—

 

 

 

3.6

 
Summary of Unrecognized Share Based Compensation Cost Expected to be Recognized The unrecognized compensation cost as of December 31, 2021is expected to be recognized as share-based payment award compensation over a weighted average period of 2.1 years as follows (in thousands):

Year ending December 31,

 

 

 

 

2022

 

$

8,646

 

2023

 

 

5,199

 

2024

 

 

2,355

 

 

 

$

16,200

 

 

 
Restricted Stock Units [Member]  
Schedule of RSUs and PSUs

The following table summarizes the status of our RSUs and related transactions, including the Exchange Offer, for each for the following years (in thousands, except weighed average grant date fair value):

 

 

RSUs awards outstanding

 

 

RSUs awards vested

and not settled

 

 

 

RSUs

 

 

Weighted

Average

Grant Date

Fair Value

 

 

Aggregate

Intrinsic

Value

 

 

RSUs

 

 

Weighted

Average

Grant Date

Fair Value

 

 

Aggregate

Intrinsic

Value

 

Balance, January 1, 2019

 

 

1,040

 

 

$

4.06

 

 

$

3,962

 

 

 

—

 

 

$

—

 

 

$

—

 

Granted

 

 

200

 

 

 

2.18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2019

 

 

1,240

 

 

 

3.56

 

 

 

3,001

 

 

 

150

 

 

 

4.06

 

 

 

363

 

Granted

 

 

6,153

 

 

 

1.39

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and settled

 

 

(301

)

 

 

1.78

 

 

 

479

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(31

)

 

 

1.07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2020

 

 

7,061

 

 

 

1.76

 

 

 

8,544

 

 

 

—

 

 

 

—

 

 

 

—

 

Granted

 

 

12,977

 

 

 

1.05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and settled

 

 

(5,126

)

 

 

1.57

 

 

 

4,021

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(1,328

)

 

 

1.47

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2021

 

 

13,584

 

 

$

1.16

 

 

$

4,890

 

 

 

1,573

 

 

$

2.11

 

 

$

566

 
Performance Shares Unit [Member]  
Schedule of RSUs and PSUs

The following table summarizes the status of our PSUs and related transactions for each for the following years (in thousands, except weighed average grant date fair value):

 

 

PSUs awards outstanding

 

 

PSUs awards vested

and not settled

 

 

 

PSUs

 

 

 

Weighted

Average

Grant Date

Fair Value

 

 

Aggregate

Intrinsic

Value

 

 

PSUs

 

 

Weighted

Average

Grant Date

Fair Value

 

 

Aggregate

Intrinsic

Value

 

Balance, January 1, 2019

 

 

—

 

 

 

$

—

 

 

$

—

 

 

 

—

 

 

$

—

 

 

$

—

 

Granted

 

 

2,586

 

 

 

 

1.08

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and settled

 

 

(152

)

 

 

 

1.14

 

 

 

226

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(30

)

 

 

 

1.07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2020

 

 

2,404

 

 

 

 

1.08

 

 

 

2,909

 

 

 

—

 

 

 

—

 

 

 

—

 

Granted

 

 

7,597

 

 

 

 

1.04

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and settled

 

 

(1,680

)

 

 

 

1.16

 

 

 

1,057

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(118

)

 

 

 

1.07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2021

 

 

8,203

 

(1)

 

$

1.03

 

 

$

2,953

 

 

 

1,968

 

 

$

1.18

 

 

$

709

 

 

 

(1)

The number of PSUs represents the base number of PSUs that may vest. The actual number of PSUs that will vest will be between zero and 11,687,530 depending on the Company’s achievement of certain performance goals.