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Note 2 - Inventories (Detail) - Inventories are valued at the lower of cost or market and consist of the following: (USD $)
Jun. 30, 2012
Sep. 30, 2011
Jun. 30, 2011
Components $ 968,712 $ 1,145,278 $ 1,298,682
Work-in-Process 537,914 515,885 517,717
Finished Product 247,948 302,780 306,723
$ 1,754,574 $ 1,963,943 $ 2,123,122