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Note 5 - Business Acquisitions (Details) (Ulrich Acquisition [Member], USD $)
0 Months Ended 9 Months Ended
Aug. 29, 2014
Dec. 27, 2014
Ulrich Acquisition [Member]
   
Note 5 - Business Acquisitions (Details) [Line Items]    
Business Combination, Consideration Transferred $ 6,700,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= trns_UlrichAcquisitionMember
$ 6,681,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= trns_UlrichAcquisitionMember
Cash Acquired from Acquisition 100,000us-gaap_CashAcquiredFromAcquisition
/ us-gaap_BusinessAcquisitionAxis
= trns_UlrichAcquisitionMember
 
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 10 years  
Business Combination, Acquisition Related Costs   $ 100,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= trns_UlrichAcquisitionMember