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Note 8 - Summary of Debt (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Sep. 30, 2015
Line Of Credit Borrowings [Member]    
Debt Instrument Carrying Amount $ 2,315 $ 2,695
Bank Term Loan [Member]    
Debt Instrument Carrying Amount 250
Subordinated Convertible Debt [Member]    
Debt Instrument Carrying Amount $ 3,000 3,000
Term Note [Member]    
Debt Instrument Carrying Amount 3,000 2,000
Subtotal of All Debt Excluding Debt Warrants [Member]    
Debt Instrument Carrying Amount 8,315 7,945
Debt Warrants [Member]    
Debt Instrument Carrying Amount (69) (158)
Debt Instrument Carrying Amount 8,246 7,787
Debt, current 5,315 92
Long term debt, net of current portion $ 2,931 $ 7,695