Note 7 - Short- And Long-Term Debt (Details) - Short- and long-term debt (USD $)	Jun. 30, 2013	Sep. 30, 2012
Note 7 - Short- And Long-Term Debt (Details) - Short- and long-term debt [Line Items]
Less: Current maturities, net of discount		$ (11,698,000)
Total long-term debt, net of discounts	122,258,000	125,232,000
3.25% Convertible Subordinated Notes [Member]
Note 7 - Short- And Long-Term Debt (Details) - Short- and long-term debt [Line Items]
Notes payable		11,886,000
Debt discount		(188,000)
8.50% Convertible Senior Notes [Member]
Note 7 - Short- And Long-Term Debt (Details) - Short- and long-term debt [Line Items]
Notes payable	39,822,000	58,504,000
Debt discount	(2,968,000)	(6,165,000)
8.50% Senior Secured Second Lien Notes [Member]
Note 7 - Short- And Long-Term Debt (Details) - Short- and long-term debt [Line Items]
Notes payable	78,931,000	78,931,000
Debt discount	(5,171,000)	(6,038,000)
10.875% Secured Notes [Member]
Note 7 - Short- And Long-Term Debt (Details) - Short- and long-term debt [Line Items]
Notes payable	12,200,000
Debt discount	(556,000)
Total short- and long-term debt, net of discounts	$ 122,258,000	$ 136,930,000