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Share-based Payments (Tables)
 12 Months Ended
Dec. 31, 2020
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, average 0.37%
Expected option life, average 5 years
Expected price volatility, average 67.23%
Expected dividend yield 0%


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, 2018

 

 

624,256

 

 

$

8.87

 

 

 

5.28

 

 

$

—

 

Granted

 

 

—

 

 

 

—

 

 

 

 

 

 

 

 

 

Expired and canceled

 

 

(78,786

)

 

 

7.85

 

 

 

 

 

 

 

 

 

Forfeited prior to vesting

 

 

(823

)

 

 

11.97

 

 

 

 

 

 

 

 

 

Exercised

 

 

—

 

 

 

—

 

 

 

 

 

 

 

 

 

As of December 31, 2019

 

 

544,647

 

 

$

9.01

 

 

 

4.93

 

 

$

—

 

Granted

 

 

337,500

 

 

 

2.50

 

 

 

 

 

 

 

 

 

Expired and canceled

 

 

(38,701)

 

 

4.81

 

 

 

 

 

 

 

 

 

Forfeited prior to vesting

 

 

—

 

 

—

 

 

 

 

 

 

 

 

 

Exercised

 

 

—

 

 

 

—

 

 

 

 

 

 

 

 

 

As of December 31, 2020

 

 

843,446

 

 

$

6.60

 

 

 

4.91

 

 

$

—

 

Vested and Expected to Vest at December 31, 2019

 

 

544,647

 

 

$

9.01

 

 

 

4.93

 

 

$

—

 

Vested at December 31, 2019

 

 

527,181

 

 

$

8.97

 

 

 

4.85

 

 

$

—

 

Vested and Expected to Vest at December 31, 2020

 

 

843,446

 

 

$

6.60

 

 

 

4.91

 

 

$

—

 

Vested at December 31, 2020

 

 

505,946

 

 

$

9.33

 

 

 

4.21

 

 

$

—

 

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

 

 

2020

 

 

2019

 

Shares purchased under ESPP plan

 

 

8,998

 

 

 

20,128

 

Plan compensation expense

 

$

5

 

 

$

9