XML 64 R54.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Note 9 - Warrants - Summary of Warrants Outstanding and Exercisable (Details) | 6 Months Ended
--- | ---
Jun. 30, 2024 $ / shares shares
Number outstanding/ exercisable (in shares) | 2,850,000
Warrants Issued in Connection with Private Placement [Member] |
Number outstanding/ exercisable (in shares) | 2,500,000
Weighted average remaining life (Year) | 2 years 1 month 13 days
Weighted average exercise price (in dollars per share) | $ / shares | $ 5.1
The Placement Agent Warrants [Member] |
Number outstanding/ exercisable (in shares) | 350,000
Weighted average remaining life (Year) | 2 years 1 month 13 days
Weighted average exercise price (in dollars per share) | $ / shares | $ 6.45

X
- Definition The weighted average remaining life of warrants or rights. + References No definition available. + Details
Name: | ftek_ClassOfWarrantOrRightWeightedAverageRemainingLife
Namespace Prefix: | ftek_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ftek_WarrantsIssuedInConnectionWithPrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=ftek_ThePlacementAgentWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |