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Share-Based Payments (Tables)
12 Months Ended
Dec. 31, 2022
Share-Based Payments  
Schedule of valuation assumptions for applying the Black-Scholes methodology to the options granted under share-based payments
Risk free interest rate, average0.84%
Expected option life, average5 years
Expected price volatility, average69.74%
Expected dividend yield0%
Schedule of stock option activity

 

 

Number of Shares

 

 

Weighted Average Exercise Price

 

 

Weighted Average Remaining Contractual Term (Years)

 

 

Aggregate Intrinsic Value

 

As of December 31, 2020

 

 

843,446

 

 

$

6.60

 

 

 

4.91

 

 

$

 

Granted

 

 

50,000

 

 

 

2.30

 

 

 

 

 

 

 

 

 

Expired and canceled

 

 

(34,875

)

 

 

6.70

 

 

 

 

 

 

 

 

 

Forfeited prior to vesting

 

 

(27,500

)

 

 

2.50

 

 

 

 

 

 

 

 

 

Exercised

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As of December 31, 2021

 

 

831,071

 

 

$

6.47

 

 

 

4.10

 

 

$

 

Granted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Expired and canceled

 

 

(274,379

)

 

 

7.44

 

 

 

 

 

 

 

 

 

Forfeited prior to vesting

 

 

(68,215

)

 

 

2.50

 

 

 

 

 

 

 

 

 

Exercised

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As of December 31, 2022

 

 

488,477

 

 

$

6.48

 

 

 

3.42

 

 

$

 

Vested and Expected to Vest at December 31, 2021

 

 

831,071

 

 

$

6.47

 

 

 

4.10

 

 

$

 

Vested at December 31, 2021

 

 

555,237

 

 

$

8.46

 

 

 

3.64

 

 

$

 

Vested and Expected to Vest at December 31, 2022

 

 

488,477

 

 

$

6.48

 

 

 

3.42

 

 

$

 

Vested at December 31, 2022

 

 

373,612

 

 

$

7.72

 

 

 

3.22

 

 

$

 

Schedule of shares purchased and compensation expense associated with Employee Stock Purchase Plans

 

 

2022

 

 

2021

 

Shares purchased under ESPP plan

 

 

7,180

 

 

 

11,164

 

Plan compensation expense

 

$

1

 

 

$

5