Three Months Ended
June 30,

Six Months Ended
June 30,

2021

2020

2021

2020

Numerator

Net income (loss)

$

352,100

$

(1,077,468

)

$

(285,277

)

$

(3,281,399

)

Denominator

Weighted average shares outstanding used in computing earnings per share

Basic

17,347,096

14,667,216

16,720,114

14,638,359

Effect of dilutive stock options, warrants, and unvested restricted stock awards

757,711

-

Diluted

18,104,807

14,667,216

16,720,114

14,638,359

Earnings (loss) per share

Basic

$

0.02

$

(0.07

)

$

(0.02

)

$

(0.22

)

Diluted

$

0.02

$

(0.07

)

$

(0.02

)

$

(0.22

)