XML 56 R44.htm IDEA: XBRL DOCUMENT
v3.25.1

Fair Value Measurements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Fair Value Disclosures [Abstract] |
Schedule of Fair Value, Assets Measured on Recurring Basis | The following table presents the asset reported in the consolidated balance sheet measured at its fair value on a recurring basis as of December 31, 2024 and 2023 by level within the fair value hierarchy:
|  |  | Quoted prices in active markets for identical assets |  | Significant other observable inputs |  | Significant unobservable inputs |  |
| Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Unrealized gain (loss)
December 31, 2024 |  |  |  |  |  |  |  |  |
Recurring fair value measurements |  |  |  |  |  |  |  |  |
Available-for-sale equity securities |  |  |  |  |  |  |  |  |
EuroSite Power Inc. | $ | 93,744 |  |  | $ | — |  |  | $ | 93,744 |  |  | $ | — |  |  | $ | — |
Total recurring fair value measurements | $ | 93,744 |  |  | $ | — |  |  | $ | 93,744 |  |  | $ | — |  |  | $ | — |
December 31, 2023 |  |  |  |  |  |  |  |  |
Recurring fair value measurements |  |  |  |  |  |  |  |  |
Available-for-sale equity securities |  |  |  |  |  |  |  |  |
EuroSite Power Inc. | $ | 93,744 |  |  | $ | — |  |  | $ | 93,744 |  |  | $ | — |  |  | $ | — |
Total recurring fair value measurements | $ | 93,744 |  |  | $ | — |  |  | $ | 93,744 |  |  | $ | — |  |  | $ | — |
The following table summarizes changes in Level 2 assets which are comprised of marketable equity securities for the years ended December 31, 2024 and 2023:
Fair value at December 31, 2022 | $ | 93,744 |
Unrealized gain | — |
Fair value at December 31, 2023 | $ | 93,744 |
Fair value at December 31, 2023 | $ | 93,744 |
Unrealized gain | — |
Fair value at December 31, 2024 | $ | 93,744 |
The following table presents the liability reported in the consolidated balance sheet measured at its fair value on a recurring basis as of December 31, 2024 and 2023 by level within the fair value hierarchy:
|  |  | Quoted prices in active markets for identical assets |  | Significant other observable inputs |  | Significant unobservable inputs |  |
| Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Total gains (losses)
December 31, 2024 |  |  |  |  |  |  |  |  |
Recurring fair value measurements |  |  |  |  |  |  |  |  |
Contingent contract consideration |  |  |  |  |  |  |  |  |
Current | $ | 328,350 |  |  | $ | — |  |  | $ | — |  |  | $ | 328,350 |  |  | $ | — |
Long-term | 1,008,760 |  |  | — |  |  | — |  |  | 1,008,760 |  |  | — |
Total recurring fair value measurements | $ | 1,337,110 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,337,110 |  |  | $ | — |
December 31, 2023 |  |  |  |  |  |  |  |  |
Recurring fair value measurements |  |  |  |  |  |  |  |  |
Contingent contract consideration |  |  |  |  |  |  |  |  |
Current | $ | 200,639 |  |  | $ | — |  |  | $ | — |  |  | $ | 200,639 |  |  | $ | — |
Long-term | 994,743 |  |  | — |  |  | — |  |  | 994,743 |  |  | — |
Total recurring fair value measurements | $ | 1,195,382 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,195,382 |  |  | $ | — |

X
- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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