v3.26.1
Stock-Based Compensation: (Tables)
6 Months Ended
Jun. 30, 2026
Stock-Based Compensation:  
Summary of stock option activity under the stock option plans

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Weighted-

  ​ ​ ​

Average

Aggregate

Weighted-

Remaining

Intrinsic

Number

Average

Contractual

Value

of

Exercise

Term

(in

Shares

Price

(Years)

thousands)

Options outstanding at January 1, 2026

 

93,681

$

50.28

 

8.7

$

Options granted

 

337,400

$

4.81

 

9.9

 

Less options forfeited

 

$

 

 

Less options expired/cancelled

 

$

 

 

Less options exercised

 

$

 

 

Options outstanding at June 30, 2026

 

431,081

$

14.69

 

9.5

$

Options exercisable at June 30, 2026

 

31,281

$

130.05

 

6.4

$