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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2021
Stockholders' Equity Note [Abstract]  
Summary of Stock Option Activity

A summary of the Company’s stock option activity for the Current Year is as follows:

Weighted

Average

Weighted

Remaining

Average

Contractual

Aggregate

Number of

Exercise

Life

Intrinsic

    

Options

    

Price

    

(in Years)

    

Value

Outstanding at January 1, 2021

 

7,179,375

$

3.14

 

4.93

$

Granted

 

520,390

 

1.91

 

  

 

  

Canceled

 

(8,050)

 

1.86

 

  

 

  

Exercised

 

(99,700)

 

1.77

 

  

 

  

Expired/Forfeited

 

(1,961,045)

 

5.44

 

  

 

  

Outstanding at December 31, 2021, and expected to vest

 

5,630,970

$

2.25

 

5.46

$

Exercisable at December 31, 2021

 

1,757,636

$

3.28

 

1.99

$

Schedule of Black-Scholes Assumptions for Fair Value of Options Granted

The fair value of the options granted was estimated at the date of grant using the Black-Scholes option pricing model with the following assumptions:

Year Ended December 31, 

 

    

2021

    

2020

 

Expected Volatility

 

29.49 – 82.99

%  

24.26 – 28.79

%

Expected Dividend Yield

 

%  

%

Expected Life (Term, in years)

 

2.5 – 3.25

 

2.5 – 3.5

Risk-Free Interest Rate

 

0.24 – 0.52

%  

0.16 – 1.60

%

Summary of Stock Option Activity for Non-Vested Options

The following table summarizes the Company’s stock option activity for non-vested options for the Current Year:

    

    

Weighted

 Average 

Number of

Grant Date 

    

Options

    

Fair Value

Balance at January 1, 2021

 

4,116,167

$

0.08

Granted

 

520,390

 

0.45

Vested

 

(663,223)

0.42

Forfeited or Canceled

 

(100,000)

 

0.08

Balance at December 31, 2021

 

3,873,334

$

0.07

Summary of Warrant Activity

A summary of the Company’s warrant activity for the Current Year is as follows:

Weighted

Average

Weighted

Remaining

 

Average

 

Contractual

Aggregate

Number of

Exercise

 

Life

Intrinsic

    

Warrants

    

Price

    

(in Years)

    

Value

Outstanding and exercisable at January 1, 2021

 

579,815

$

4.63

 

1.32

$

Granted

 

 

 

 

  

Canceled

 

 

 

 

  

Exercised

 

 

 

 

  

Expired/Forfeited

 

(463,750)

 

5.00

 

 

  

Outstanding and exercisable at December 31, 2021

 

116,065

$

3.15

 

2.57

$

Summary of Restricted Stock Activity

A summary of the Company’s restricted stock activity for the Current Year is as follows:

Weighted

Number of

Average

Restricted

Grant Date

    

Shares

    

Fair Value

Outstanding at January 1, 2021

 

780,833

$

4.09

Granted

 

284,004

 

1.66

Canceled

 

 

Vested

 

(249,004)

 

1.61

Expired/Forfeited

 

 

Outstanding at December 31, 2021

 

815,833

$

4.00

Schedule Of Common Stock Repurchased

The following table provides information with respect to restricted stock purchased and retired by the Company during the Current Year and Prior Year:

Number of

Shares

Purchased as

Part of

Total Number

Actual

Publicly

Fair value of

of Shares

Price Paid

Announced

Re-Purchased

Date

    

Purchased

    

per Share

    

Plan

    

Shares

October 29, 2021 (i)

 

9,187

 

1.73

 

 

16,000

Total 2021

 

9,187

$

1.73

 

$

16,000

March 30, 2020 (i)

 

155,556

$

0.65

 

$

102,000

May 20, 2020 (i)

 

87,249

 

0.98

 

 

85,000

December 24, 2020 (i)

 

2,478

 

1.14

 

 

3,000

Total 2020

 

245,283

$

0.77

 

$

190,000

(i)The shares were exchanged from employees and directors in connection with the income tax withholding obligations on behalf of such employees and directors from the vesting of restricted stock or the receipt of stock awards. The 2011 Plan and 2021 Plan allow for award holders to surrender vested shares to cover withholding tax liabilities.