XML 47 R35.htm IDEA: XBRL DOCUMENT
v3.25.1

Stock-Based Compensation (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Stock-Based Compensation |
Summary of stock option activity | The following table summarizes the stock option transactions during the three months ended March 31, 2025 (in thousands, except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted- | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ |  | average |  | ​ | ​ |
​ | ​ | ​ | ​ | Weighted- | ​ | Remaining | ​ | ​ | ​ |
​ | ​ | Number of | ​ | average | ​ | Contractual | ​ | Aggregate |
​ | ​ | Options | ​ | Exercise | ​ | Life | ​ | Intrinsic |
Stock Options |  | Outstanding |  | Price |  | (in years) |  | Value |
Balance as of January 1, 2025 | ​ | 1,175 | ​ | $ | 5.16 |  | 3.16 | ​ | $ | — | ​
Granted |  | — | ​ |  | — | ​ | ​ | ​ | ​ | ​ | ​
Exercised |  | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​
Canceled and expired |  | — | ​ | ​ | — | ​ | ​ | ​ | ​ | ​ | ​
Balance as of March 31, 2025 |  | 1,175 | ​ | $ | 5.16 |  | 2.92 | ​ | $ | — | ​
Options exercisable as of March 31, 2025 |  | 1,175 | ​ | $ | 5.16 |  | 2.92 | ​ | $ | — | ​
Summary of restricted stock awards activity | A summary of activity related to restricted stock awards for the three months ended March 31, 2025 is presented below (in thousands, except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted-Average |
​ | ​ | ​ | ​ | Grant Date |
Stock Awards |  | Shares |  | Share Value |
Non-vested as of January 1, 2025 | ​ | 1,541 | ​ | $ | 2.84 | ​
Granted |  | 114 | ​ | $ | 2.18 | ​
Vested |  | (7) | ​ | $ | 13.42 | ​
Forfeited | ​ | (19) | ​ | $ | 2.87 | ​
Non-vested as of March 31, 2025 |  | 1,629 | ​ | $ | 2.75 | ​
Summary of unvested at-risk performance shares | A summary of the status of our unvested at-risk, performance shares as of March 31, 2025 is presented below (in thousands, except per share data):
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted-Average
​ | ​ | ​ | ​ | Grant Date
Stock Awards |  | Shares |  | Share Value
Non-vested as of January 1, 2025 | ​ | 301 | ​ | $ | 2.28
Granted |  | 151 | (1) | $ | 2.23
Vested |  | (75) | ​ | $ | 2.28
Forfeited | ​ | — | ​ | $ | —
Non-vested as of March 31, 2025 |  | 377 | ​ | $ | 2.26
​
(1) | The number of shares presented assumes the achievement of 100% of a target financial performance metric to be determined by the Company’s Compensation Committee and will be subject to an at-risk, performance shares agreement.
Summary of compensation costs related to stock-based awards | The following table summarizes compensation costs related to our stock-based awards (in thousands, except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​
​ | ​ | March 31, | ​
​ |  | 2025 |  | 2024 |
Cost of revenue | ​ | $ | 63 | ​ | $ | 105 | ​
Selling, general and administrative | ​ |  | 472 | ​ |  | 553 | ​
Research and development | ​ |  | 111 | ​ |  | 151 | ​
Net effect on net loss | ​ | $ | 646 | ​ | $ | 809 | ​

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of number and weighted-average grant date fair value for nonvested performance shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Subparagraph (c) -Paragraph 2 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration