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Consolidated Balance Sheets (Parentheticals) (USD $)	Sep. 30, 2011	Jun. 30, 2011
Allowance for uncollectible accounts receivable (in dollars)	$ 53,000	$ 113,000
Preferred stock, no par value (in dollars per share)
Preferred stock, shares authorized	1,800,000	1,800,000
Common stock, no par value (in dollars per share)
Common stock, shares authorized	640,000,000	640,000,000
Common stock, shares issued	32,378,356	32,281,140
Common stock, shares outstanding	32,378,356	32,281,140
Series A convertible preferred Stock
Preferred stock, shares issued	442,968	442,968
Preferred stock, shares outstanding	442,968	442,968
Preferred stock, liquidation preference value (in dollars)	$ 15,029,326	$ 14,697,100

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