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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2020
Stock-Based Compensation  
Summary of stock option activity

Options Outstanding

Weighted-

Weighted-

Options and

Average

Average

Awards

Exercise

Remaining

Aggregate

Available for

Number of

Price Per

Contractual

Intrinsic

Grant

    

Options

    

Share

    

Life (years)

    

Value

(In thousands)

Balance—December 31, 2019

 

638,227

 

1,931,903

$

7.17

6.5

$

188

Authorized

 

542,452

RSUs granted

(405,054)

RSUs cancelled/forfeited

24,697

Options granted

(787,955)

787,955

$

2.39

Options exercised

 

(144,774)

$

5.36

$

170

Options cancelled/forfeited

 

143,817

(158,455)

$

8.30

Balance—June 30, 2020

 

156,184

 

2,416,629

$

5.65

 

8.0

$

4,347

Options exercisable—June 30, 2020

 

 

1,047,031

$

7.29

6.4

$

463

Schedule of restricted stock unit activity

RSUs Outstanding

    

Weighted-

    

Average

Number of

    

Grant Date

Restricted Stock

    

Fair Value Per

    

Units

    

Share

Balance—December 31, 2019

211,962

    

$

6.97

Granted

 

405,054

    

4.39

Vested

(152,347)

    

6.29

Cancelled/forfeited

(24,697)

    

7.59

Balance—June 30, 2020

 

439,972

    

$

4.80