Note 9 - Debt - Summary of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Sep. 07, 2018	Sep. 30, 2017
Debt	$ 3,944		$ 2,500
Other (debt discount warrants)	(353)
Total debt	3,591		2,500
Less current portion	1,017
Long term debt, net of current portion	2,574		2,500
Non-Revolving Term Loan [Member]
Debt	922
Promissory Term Notes [Member]
Debt	941	$ 941
Other (debt discount warrants)		$ (141)
Heritage Agreement [Member]
Debt	$ 2,081		$ 2,500

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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