INVESTMENT IN AN AFFILIATED COMPANY (Condensed Financial Information From FAvS Consolidated Balance Sheets and Statements of Operations) (Details) (First Aviation Services, Inc. [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
First Aviation Services, Inc. [Member]
Condensed financial information, balance sheets:
Current assets	$ 10,596	$ 10,179
Long-term assets	8,927	8,954
Total assets	19,523	19,133
Current liabilities	5,964	6,522
Long-term liabilities	4,624	4,471
Total liabilities	10,588	10,993
Condensed financial information, statements of operations:
Net sales	24,442	23,445	21,579
Gross profit	7,342	6,182	9,202
Income (loss) from continuing operations	827	(341)	(1,476)
Net loss	727	3,158	(12,979)
Loss attributable to common stockholders	$ 336	$ 2,821	$ (13,271)

INVESTMENT IN AN AFFILIATED COMPANY (Condensed Financial Information From FAvS Consolidated Balance Sheets and Statements of Operations) (Details) (First Aviation Services, Inc. [Member], USD $)
In Thousands, unless otherwise specified

12 Months Ended

Dec. 31, 2014

Dec. 31, 2013

Dec. 31, 2012

First Aviation Services, Inc. [Member]

Condensed financial information, balance sheets:

Current assets

$ 10,596us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets
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= tatt_FirstAviationServicesIncMember

$ 10,179us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentAssets
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

Long-term assets

8,927us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

8,954us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentAssets
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= tatt_FirstAviationServicesIncMember

Total assets

19,523us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

19,133us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAssets
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= tatt_FirstAviationServicesIncMember

Current liabilities

5,964us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

6,522us-gaap_EquityMethodInvestmentSummarizedFinancialInformationCurrentLiabilities
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= tatt_FirstAviationServicesIncMember

Long-term liabilities

4,624us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities
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= tatt_FirstAviationServicesIncMember

4,471us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNoncurrentLiabilities
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= tatt_FirstAviationServicesIncMember

Total liabilities

10,588us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

10,993us-gaap_EquityMethodInvestmentSummarizedFinancialInformationLiabilities
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

Condensed financial information, statements of operations:

Net sales

24,442us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue
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= tatt_FirstAviationServicesIncMember

23,445us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

21,579us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

Gross profit

7,342us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

6,182us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss
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= tatt_FirstAviationServicesIncMember

9,202us-gaap_EquityMethodInvestmentSummarizedFinancialInformationGrossProfitLoss
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

Income (loss) from continuing operations

827tatt_EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromOperations
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= tatt_FirstAviationServicesIncMember

(341)tatt_EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromOperations
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

(1,476)tatt_EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromOperations
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

Net loss

727us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

3,158us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

(12,979)us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

Loss attributable to common stockholders

$ 336tatt_EquityMethodInvestmentSummarizedFinancialInformationLossAttributableToCommonStockholders
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= tatt_FirstAviationServicesIncMember

$ 2,821tatt_EquityMethodInvestmentSummarizedFinancialInformationLossAttributableToCommonStockholders
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

$ (13,271)tatt_EquityMethodInvestmentSummarizedFinancialInformationLossAttributableToCommonStockholders
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= tatt_FirstAviationServicesIncMember

- Definition

The amount of income (loss) from operations reported by an equity method investment of the entity.

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The amount of assets reported by an equity method investment of the entity.

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

-Publisher FASB

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The amount of liabilities reported by an equity method investment of the entity.

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The amount of net income (loss) reported by an equity method investment of the entity.

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The amount of noncurrent assets reported by an equity method investment of the entity.

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The amount of noncurrent liabilities reported by an equity method investment of the entity.

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The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

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