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Note 13 - Convertible Notes Payable (Detail) - Convertible Notes Payable (USD $)	Dec. 31, 2012	Sep. 30, 2012
	$ 6,800,000	$ 6,800,000
Ten Percent [Member]
Convertible notes payable	1,800,000	1,800,000
Six Percent [Member]
Convertible notes payable	$ 5,000,000	$ 5,000,000

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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