Trigger for the payment of contingent consideration relating to the business acquisition.

No definition available.

Name:	ftek_BusinessAcquisitionContingentConsiderationTrigger
Namespace Prefix:	ftek_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Gain on revaluation of ACT liability

+ References

No definition available.

+ Details

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Namespace Prefix:	ftek_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying amount as of the balance sheet date of the combined total of loss contingency liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Note 8 - Commitments and Contingencies (Detail) (USD $)	12 Months Ended
Note 8 - Commitments and Contingencies (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Leases, Rent Expense	$ 964,000	$ 879,000	$ 897,000
Loss Contingency, Estimate of Possible Loss				2,307,000
undefined		758,000	768,000
Loss Contingency Accrual, at Carrying Value		0
Annual Amount Based On The Achievement Of A Minimum Annual Gross Margin Dollar Level (the Hurdle) [Member] \| Advanced Combustion Technology, Inc. (ACT) [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment				4,000,000
Minimum Annual Gross Margin Dollar Level (the Hurdle) For Fiscal 2009 [Member] \| Advanced Combustion Technology, Inc. (ACT) [Member]
Business Acquisition, Contingent Consideration, Trigger				10,000,000
Minimum Annual Gross Margin Dollar Level (the Hurdle) For Fiscal 2010 [Member] \| Advanced Combustion Technology, Inc. (ACT) [Member]
Business Acquisition, Contingent Consideration, Trigger				11,000,000
Minimum Annual Gross Margin Dollar Level (the Hurdle) For Fiscal 2011 [Member] \| Advanced Combustion Technology, Inc. (ACT) [Member]
Business Acquisition, Contingent Consideration, Trigger				12,000,000
Office Building [Member] \| Stamford, Connecticut [Member]
Area of Real Estate Property (in Square feet)	6,440
Office Building [Member] \| Beijing, China [Member]
Area of Real Estate Property (in Square feet)	5,800
Office Building [Member] \| Durham, North Carolina [Member]
Area of Real Estate Property (in Square feet)	16,000
Office Building [Member] \| Gallarate, Italy [Member]
Area of Real Estate Property (in Square feet)	1,300
Annual [Member] \| Minimum [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment				0
Annual [Member] \| Maximum [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment				4,000,000
Total [Member] \| Minimum [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment				0
Total [Member] \| Maximum [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment				12,000,000
Equipment Construction Contracts [Member]
Other Commitment	$ 8,544,000