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Note 2 - Construction Contracts in Progress (Detail) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
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Number of Contracts | 2 | 1
Provision for Loss on Contracts (in Dollars) | $ 57,000 | $ 201

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- Definition Number of in process contracts identified as a possible loss contingency + References No definition available. + Details
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Namespace Prefix: | ftek_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Cumulative provision for contract losses not offset against related costs accumulated on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6802688&loc=d3e57777-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 81-1 -Paragraph 89 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant