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Note 7 - Major Customer Concentration (Detail)
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3 Months Ended | |
|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Customer A [Member] | Total Sales Concentration Percentage [Member]
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| Concentration Risk, Percentage | 23.00% | 25.00% |
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Customer A [Member] | Accounts Receivable Concentration Percentage [Member]
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| Concentration Risk, Percentage | 10.00% | |
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Customer B [Member] | Accounts Receivable Concentration Percentage [Member]
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| Concentration Risk, Percentage | 15.00% | 13.00% |
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Customer C [Member] | Accounts Receivable Concentration Percentage [Member]
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| Concentration Risk, Percentage | 12.00% | |