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SHAREHOLDERS' EQUITY (Treasury Purchase Plan) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended	12 Months Ended
	Nov. 21, 2012	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012
Equity, Class of Treasury Stock [Line Items]
Total consideration paid for shares repurchased					(70)us-gaap_TreasuryStockValueAcquiredCostMethod
Exercise of options, shares		85,000us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised	[1]
Treasury Purchase Plan One [Member]
Equity, Class of Treasury Stock [Line Items]
Value of shares authorized to be repurchased	500us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember
Total consideration paid for shares repurchased	$ (70)us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember
Shares repurchased during period, average cost per share	$ 4.29us-gaap_TreasuryStockAcquiredAverageCostPerShare / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember
Balance, shares		8,805,236us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember		8,798,570us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember	8,815,003us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember
Purchase of treasury shares	16,433us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember				(16,433)us-gaap_TreasuryStockSharesAcquired / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember
Exercise of options, shares		3,108us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember		6,666us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember
Balance, shares		8,808,344us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember		8,805,236us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember	8,798,570us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = tatt_TreasuryPurchasePlanOneMember
[1] The aggregate intrinsic value for the options exercised by employees during 2014 was approximately $21.

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Number of shares issued which are neither cancelled nor held in the treasury.

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Number of share options (or share units) exercised during the current period.

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Amount of stock repurchase plan authorized.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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