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Net Income (Loss) per Common Share Applicable to Common Stockholders (Tables)
12 Months Ended
Dec. 31, 2021
Net Income (Loss) per Common Share Applicable to Common Stockholders  
Computation of basic and diluted net income (loss) per share

Year Ended

December 31, 

($ in thousands except per share data)

2021

2020

2019

Net income (loss) applicable to common stockholders — Basic:

Net income (loss)

$

98,091

$

(112,662)

$

(56,515)

Less: Deemed dividend on preferred stock

(28,043)

Less: Undistributed earnings to preferred stockholders

(1,150)

Net income (loss) applicable to common stockholders - basic

$

96,941

$

(112,662)

$

(84,558)

Numerator for basic net income (loss) applicable to common stockholders

$

96,941

$

(112,662)

$

(84,558)

Denominator for basic net income (loss) applicable to common stockholders

49,203

33,821

28,545

Net income (loss) applicable to common stockholders - basic

$

1.97

$

(3.33)

$

(2.96)

Net loss applicable to common stockholders — Diluted:

Net income (loss)

$

96,941

$

(112,662)

$

(84,558)

Less: Warrant revaluation gain applicable to dilutive liability-classified warrants

(6,983)

Less: Future tranche right revaluation gain applicable to dilutive liability-classified future tranche rights

(118,803)

Numerator for diluted net income (loss) applicable to common stockholders

$

(28,845)

$

(112,662)

$

(84,558)

Denominator for basic net income (loss) applicable to common stockholders

49,203

33,821

28,545

Plus: Incremental shares underlying “in the money” liability-classified warrants outstanding

93

Plus: Incremental shares underlying “in the money” liability-classified future tranche rights outstanding

831

Denominator for diluted net income (loss) applicable to common stockholders

50,127

33,821

28,545

Net income (loss) applicable to common stockholders - diluted

$

(0.58)

$

(3.33)

$

(2.96)

Schedule of potentially dilutive securities excluded from diluted net income (loss) per common share

(in thousands)

2021

2020

2019

Stock options

5,202

4,614

4,220

Restricted stock units

576

903

194

Common stock warrants

8,732

16,968

5,099

Convertible preferred stock

2,369

2,369

Future tranche rights

50,467

49,407

Total

14,510

75,321

61,289