Note 7 - Interest Expense Components (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2015	Jun. 30, 2014
Senior Notes [Member]
Interest on Senior Debt	$ 236	$ 241
Convertible Debt [Member]
Accretion of embedded derivative liability - Convertible Note Payable	110	$ 108
PNC Equipment Finance Llc [Member]
Interest on Line of Credit Note with PNC Equipment Finance LLC	7
CD Financial LLC [Member]
Interest on Line of Credit Note with PNC Equipment Finance LLC	430	$ 430
Other Related Party [Member]
Interest on Line of Credit Note with PNC Equipment Finance LLC	29	29
Amortization of prepaid financing costs	129	129
Interest on capitalized lease obligations	5	5
Other interest expense	33	22
Interest Expense	$ 979	$ 964

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 on all other items not previously classified. For example, includes dividends associated with redeemable preferred stock of a subsidiary that is treated as a liability in the parent's consolidated balance sheet.

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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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