Three Months Ended

June 30,

Six Months Ended

June 30,

2021

2020

2021

2020

Numerator:

Net income (loss)

$

2,627,107

$

(768,023

)

$

2,830,009

$

(858,350

)

Net income (loss) allocated to restricted stock award

226,630

(45,890

)

243,205

(40,262

)

Adjusted net income (loss) for basic earnings per share

$

2,400,477

$

(722,133

)

$

2,586,804

$

(818,088

)

Convertible note interest

43,177

—

88,755

—

Adjusted net income (loss) for diluted earnings per share

$

2,443,654

$

(722,133

)

$

2,675,559

$

(818,088

)

Denominator:: Weighted average shares outstanding used in computing net income (loss) per share:

Basic

7,128,768

6,009,383

6,808,339

6,011,695

Effect of dilutive stock options

819,680

—

826,387

—

Effect of convertible note weighted shares

958,904

—

958,904

—

Diluted

8,907,352

6,009,383

8,593,630

6,011,695

Net income (loss) per share applicable to common stockholders:

Basic

$

0.34

$

(0.13

)

$

0.38

$

(0.14

)

Diluted

$

0.27

$

(0.13

)

$

0.31

$

(0.14

)