Note 7 - Interest Expense Components (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Senior Notes [Member]
Interest on Senior Debt	$ 248	$ 236
Convertible Debt [Member]
Accretion of embedded derivative liability - Convertible Note Payable	86	110
Term Note [Member] \| PNC Equipment Finance LLC [Member]
Interest Expense	13
Line of Credit [Member] \| PNC Equipment Finance LLC [Member]
Interest Expense	1	7
CD Financial LLC [Member]
Interest expense related party	430	430
Other Related Party [Member]
Interest expense related party	29	29
Amortization of prepaid financing costs	106	129
Interest on capitalized lease obligations	13	5
Interest Expense	953	979
Other interest expense	$ 27	$ 33

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The amount, during the lease term, of each minimum [capital] lease payment allocated to interest expense so as to produce a constant periodic rate of interest on the remaining balance of the capital lease obligation.

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Aggregate amount of interest paid or due on all long-term debt.

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Interest expense incurred during the reporting period on subordinated notes and debentures. Includes amortization of expenses incurred in the issuance of subordinated notes and debentures.

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