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Stock-Based Compensation: (Tables)

3 Months Ended

Mar. 31, 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	​	$	2.2
Options granted		—	​	$	—		—	​		—
Less options forfeited		—	​	$	—		—	​		—
Less options expired/cancelled		—	​	$	—		—	​		—
Less options exercised		—	​	$	—		—	​		—
Options outstanding at March 31, 2026		93,681	​	$	50.28		8.4	​	$	0.6
Options exercisable at March 31, 2026		29,681	​	$	136.94		6.5	​	$	0.1

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- References

No definition available.

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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