Consolidated Balance Sheets (Parentheticals) (USD $)	Mar. 31, 2015	Jun. 30, 2014
Allowance for uncollectible accounts receivable (in dollars)	$ 493,000	$ 63,000
Preferred stock, no par value (in dollar per share)
Preferred stock, shares authorized	1,800,000us-gaap_PreferredStockSharesAuthorized	1,800,000us-gaap_PreferredStockSharesAuthorized
Common stock, no par value (in dollars per share)
Common stock, shares authorized	640,000,000us-gaap_CommonStockSharesAuthorized	640,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	35,691,572us-gaap_CommonStockSharesIssued	35,514,685us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	35,691,572us-gaap_CommonStockSharesOutstanding	35,514,685us-gaap_CommonStockSharesOutstanding
Series A Convertible Preferred Stock
Preferred stock, shares authorized	900,000	900,000
Preferred stock, shares issued	442,968	442,968
Preferred stock, shares outstanding	442,968	442,968
Preferred stock, liquidation preference value (in dollars)	$ 17,022,682	$ 16,690,456

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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