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Note 6 - Acquired Intangible Assets (Detail) - Intangible assets (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Weighted average remaining amortization period 6 years 7 years
Gross $ 913 $ 913
Accumulated amortization 421 339
Net 492 574
Customer Lists [Member]
   
Weighted average remaining amortization period 6 years 7 years
Gross 820 820
Accumulated amortization 328 246
Net 492 574
Noncompete Agreements [Member]
   
Gross 93 93
Accumulated amortization $ 93 $ 93