Note 8 - Product Warranties (Tables)
 9 Months Ended
Jun. 29, 2013
Product Warranties Disclosures [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
    

Nine Months Ended

 

June 29,

June 30,

   

2013

2012

Accrued liability at beginning of period

  $ 378,643   $ 480,000

Increase (Decrease) in reserve

    98,276     (135,664 )

Increase in reserve as a result of MCHP asset acquisition

    -     39,000

Expenses

    (124,887 )     (27,336 )

Accrued liability at end of period

  $ 352,032   $ 356,000