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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2023
Stockholders Equity Note [Abstract]  
Summary of Stock Option Activity

A summary of stock option activity under each of the Company’s equity incentive plans during the six month period ended June 30, 2023, was as follows:

 

 

 

Stock Options Outstanding

 

 

 

Number of Underlying
Shares

 

 

Weighted
Average
Exercise
Price

 

 

Weighted
Average
Remaining
Contractual
Life (in years)

 

 

Aggregate
Intrinsic
Value

 

Outstanding on January 1, 2023

 

 

970,680

 

 

$

2.07

 

 

 

5.61

 

 

$

864,762

 

Granted

 

 

400,000

 

 

$

2.95

 

 

 

9.94

 

 

 

-

 

Forfeited / Canceled

 

 

(1,250

)

 

$

2.10

 

 

 

-

 

 

$

962

 

Exercised

 

 

(20,935

)

 

$

0.61

 

 

 

-

 

 

$

47,233

 

Outstanding on June 30, 2023

 

 

1,348,495

 

 

$

2.35

 

 

 

2.24

 

 

$

816,567

 

Exercisable as of June 30, 2023

 

 

948,495

 

 

$

2.10

 

 

 

2.24

 

 

$

816,567

 

Vested and expected to vest as of June 30, 2023

 

 

948,495

 

 

$

2.10

 

 

 

2.24

 

 

$

816,567

 

Schedule of Assumption to Calculate Weighted Average Grant Date Fair Value of Options Grant

The following table presents details of the assumptions used to calculate the weighted-average grant date fair value of common stock options granted by the Company. There were no options granted under the Company's 2017 Plan during the six month period ended June 30, 2022. The following table presents the grant date fair value of options vested and the intrinsic value of options exercised:

 

 

 

For the Six Months Ended June 30,

 

 

 

2023

 

 

2022

 

Expected term (in years)

 

 

6.16

 

 

 

-

 

Expected volatility

 

 

72.73

%

 

 

0.00

%

Risk-free interest rate

 

 

3.79

%

 

 

0.00

%

Weighted average grant date fair value per share

 

$

2.95

 

 

$

-

 

Grant date fair value of options vested

 

$

933,399

 

 

$

2,005,285

 

Intrinsic value of options exercised

 

$

47,233

 

 

$

119,927

 

 

 

 

 

 

 

 

 

Schedule of RSU Activity

The Company’s RSU activity for the six months ended June 30, 2023, was as follows:

 

 

 

Restricted Stock Units

 

 

 

Number of Underlying
Shares

 

 

Weighted
Average Grant
Date Fair Value

 

Unvested on January 1, 2023

 

 

907,507

 

 

$

4.04

 

Granted

 

 

889,528

 

 

$

2.80

 

Vested

 

 

(512,805

)

 

$

3.79

 

Canceled

 

 

(97,798

)

 

$

4.32

 

Unvested on June 30, 2023

 

 

1,186,432

 

 

$

3.19

 

Summary of Stock-Based Compensation Expense

Stock-based compensation expense for the three and six month periods ended June 30, 2023 and 2022, was comprised of the following:

 

 

 

For the Three Months Ended June 30,

 

 

For the Six Months Ended June 30,

 

Stock-based compensation classified as:

 

2023

 

 

2022

 

 

2023

 

 

2022

 

General and administrative

 

$

651,291

 

 

$

300,346

 

 

$

945,286

 

 

$

502,441

 

Production

 

 

86,528

 

 

 

70,959

 

 

 

153,969

 

 

 

126,415

 

Marketing and selling

 

 

86,516

 

 

 

104,364

 

 

 

146,504

 

 

 

186,544

 

Research and development

 

 

73,674

 

 

 

56,967

 

 

 

126,458

 

 

 

100,064

 

 

 

$

898,009

 

 

$

532,636

 

 

$

1,372,217

 

 

$

915,464

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Schedule of Warrant Activity

The following table summarizes the Company’s warrant activity during the six months ended June 30, 2023:

 

 

 

Number of
Warrants

 

 

Weighted
Average
Exercise Price

 

Warrants outstanding – January 1, 2023

 

 

451,112

 

 

$

5.37

 

Warrants granted

 

 

-

 

 

$

-

 

Warrants expired

 

 

(380,000

)

 

$

6.00

 

Warrants exercised

 

 

(28,090

)

 

$

1.78

 

Warrants outstanding – June 30, 2023

 

 

43,022

 

 

$

2.15