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Mandatory Redeemable Preferred Stock and Stockholders' Equity (Deficit) (Tables)
 12 Months Ended
Dec. 31, 2022
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, December 31, 2020

 

 

131

 

 

$

77.50

 

 

$

1,041

 

 

 

7.3

 

Exercised

 

 

(23

)

 

$

15.50

 

 

$

1,146

 

 

 

 

 

Expired

 

 

(5

)

 

$

395.00

 

 

 

 

 

 

 

 

 

Balance, December 31, 2021

 

 

103

 

 

$

76.19

 

 

$

-

 

 

 

8.3

 

Granted

 

 

436

 

 

$

0.14

 

 

 

 

 

 

 

 

 

Expired

 

 

(3

)

 

$

341.50

 

 

 

 

 

 

 

 

 

Balance, December 31, 2022

 

 

536

 

 

$

13.10

 

 

$

2,427

 

 

 

9.3

 

 
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, 2022 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)

 

 

47

 

 

 

198

 

 

 

96

 

 

 

352

 

2012 Plan (4)

 

 

11

 

 

 

—

 

 

 

—

 

 

 

—

 

2009 Plan (5)

 

 

114

 

 

 

—

 

 

 

—

 

 

 

—

 

2021 Inducement Grants

 

 

—

 

 

 

48

 

 

 

4

 

 

 

—

 

 

 

(1)

The number of PSUs represents the number of PSUs that will vest.   

 

(2)

The number of remaining shares of common stock available for future issuance is based on the number of PSUs that will vest.

 

(3)

As of December 31, 2022, outstanding options have exercise prices ranging from $53.5 to $136.5 and will expire on March 30, 2023, due to termination of employees except for awards for one employee and several consultants. Unvested RSUs will vest until July 2024. The unvested PSUs will vest until April 2025.

 

(4)

As of December 31, 2022, outstanding options have exercise prices ranging from $221.5 to $446 and will expire on March 30, 2023, due to termination of employees except for awards for one employee and several consultants.

 

(5)

As of December 31, 2022, outstanding options have exercise prices ranging from $90 to $446 and will expire on March 30, 2023 due to termination of employees except for awards for one employee and several consultants.

 
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, December 31, 2020

 

 

476

 

 

$

240.00

 

 

$

152

 

 

5.2

 

 

 

397

 

 

$

253.00

 

 

$

117

 

 

 

4.6

 

Granted

 

 

1

 

 

$

60.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercised

 

 

(2

)

 

$

1.50

 

 

$

61

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(101

)

 

$

300.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expired

 

 

(21

)

 

$

201.00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2021

 

 

353

 

 

$

225.98

 

 

$

-

 

 

 

3.8

 

 

336

 

 

$

230.93

 

 

$

-

 

 

 

3.6

 

Granted

 

 

-

 

 

$

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercised

 

 

-

 

 

$

-

 

 

$

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(4

)

 

$

94.99

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expired

 

 

(177

)

 

$

226.56

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2022

 

 

172

 

 

$

228.28

 

 

$

-

 

 

 

3.6

 

 

 

170

 

 

$

229.43

 

 

$

-

 

 

 

3.6

 

 
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, December 31, 2020

 

 

141

 

 

$

88.00

 

 

$

8,544

 

 

 

—

 

 

$

-

 

 

$

-

 

Granted

 

 

260

 

 

$

52.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and settled

 

 

(103

)

 

$

78.50

 

 

$

4,021

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(27

)

 

$

73.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2021

 

 

272

 

 

$

58.00

 

 

$

4,890

 

 

 

31

 

 

$

105.00

 

 

$

566

 

Granted

 

 

170

 

 

$

16.05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and settled

 

 

(138

)

 

$

67.50

 

 

$

1,343

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(58

)

 

$

37.49

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2022

 

 

246

 

 

$

29.64

 

 

$

1,376

 

 

 

189

 

 

$

26.28

 

 

$

1,059

 
Performance Shares  
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, 2020

 

 

48

 

 

 

$

54.00

 

 

$

2,909

 

 

 

—

 

 

$

—

 

 

$

—

 

Granted

 

 

152

 

 

 

$

52.00

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and settled

 

 

(34

)

 

 

$

58.00

 

 

$

1,057

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(2

)

 

 

$

53.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2021

 

 

164

 

 

 

$

51.50

 

 

$

2,953

 

 

 

39

 

 

$

59.00

 

 

$

709

 

Granted

 

 

63

 

 

 

$

34.50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vested and settled

 

 

(52

)

 

 

$

58.26

 

 

$

108

 

 

 

 

 

 

 

 

 

 

 

 

 

Cancelled/Forfeited

 

 

(75

)

 

 

$

44.85

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balance, December 31, 2022

 

 

100

 

(1)

 

$

42.30

 

 

$

558

 

 

 

81

 

 

$

39.95

 

 

$

450

 

 

 

(1)

The number of PSUs represents the number of PSUs that will vest.