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ENTITY-WIDE DISCLOSURE (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenues - sales of products $ 31,363us-gaap_SalesRevenueGoodsNet $ 34,364us-gaap_SalesRevenueGoodsNet [1] $ 36,263us-gaap_SalesRevenueGoodsNet [1]
Total revenues - services 49,363us-gaap_SalesRevenueServicesNet 45,187us-gaap_SalesRevenueServicesNet [1] 41,652us-gaap_SalesRevenueServicesNet [1]
Long-lived assets - sale of products 5,830tatt_LongLivedAssetsRelatingToProductRevenues 5,748tatt_LongLivedAssetsRelatingToProductRevenues [2]  
Long-lived assets - service revenues 5,694tatt_LongLivedAssetsRelatingToServiceRevenues 5,399tatt_LongLivedAssetsRelatingToServiceRevenues [2]  
Number of customers accounting for more than 10% of total net revenue         
Israel [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenues - sales of products 4,807us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_IsraelMember		 6,248us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_IsraelMember		 [1] 9,147us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_IsraelMember		 [1]
Total revenues - services 834us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_IsraelMember		 612us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_IsraelMember		 [1] 468us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_IsraelMember		 [1]
Long-lived assets - sale of products 5,830tatt_LongLivedAssetsRelatingToProductRevenues
/ us-gaap_StatementGeographicalAxis
= tatt_IsraelMember		 5,748tatt_LongLivedAssetsRelatingToProductRevenues
/ us-gaap_StatementGeographicalAxis
= tatt_IsraelMember		 [2]  
Long-lived assets - service revenues       [2]  
Unites States [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenues - sales of products 18,886us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= country_US		 18,016us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= country_US		 [1] 16,475us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= country_US		 [1]
Total revenues - services 31,267us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= country_US		 27,639us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= country_US		 [1] 25,648us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= country_US		 [1]
Long-lived assets - sale of products       [2]  
Long-lived assets - service revenues 5,694tatt_LongLivedAssetsRelatingToServiceRevenues
/ us-gaap_StatementGeographicalAxis
= country_US		 5,399tatt_LongLivedAssetsRelatingToServiceRevenues
/ us-gaap_StatementGeographicalAxis
= country_US		 [2]  
France [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenues - sales of products 3,642us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= country_FR		 5,482us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= country_FR		 [1] 4,604us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= country_FR		 [1]
Long-lived assets - sale of products       [2]  
Netherland [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenues - services 1,734us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= country_NL		 1,553us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= country_NL		 [1] 3,303us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= country_NL		 [1]
Long-lived assets - service revenues       [2]  
Rest of Europe [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenues - sales of products 2,257us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFourMember		 2,292us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFourMember		 [1] 1,966us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFourMember		 [1]
Total revenues - services 8,786us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFourMember		 7,658us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFourMember		 [1] 4,624us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFourMember		 [1]
Long-lived assets - sale of products       [2]  
Long-lived assets - service revenues       [2]  
Other [Member]      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Total revenues - sales of products 1,771us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFiveMember		 2,326us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFiveMember		 [1] 4,071us-gaap_SalesRevenueGoodsNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFiveMember		 [1]
Total revenues - services 6,742us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFiveMember		 7,725us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFiveMember		 [1] 7,609us-gaap_SalesRevenueServicesNet
/ us-gaap_StatementGeographicalAxis
= tatt_SegmentGeographicalGroupsOfCountriesGroupFiveMember		 [1]
Long-lived assets - sale of products       [2]  
Long-lived assets - service revenues       [2]  
[1] Excluding discontinued operations for each of the years ended on December 31, 2013 and 2012.
[2] Excluding held for sale assets at December 31, 2013