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Note 1 - Nature of Operations (Tables)
12 Months Ended
Sep. 30, 2014
Disclosure Text Block [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]

Product Classes

 

2014

   

2012

      2012  

Automotive Test Equipment

    76.3

%

    74.4

%

    66.1

%

Indicating Instruments

    23.7       25.6       33.9  

Total

    100.0

%

    100.0

%

    100.0

%