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Note 8. Shareholders’ Equity (Detail) - Stock Purchase Warrants (USD $)	Jun. 30, 2011
Total warrants outstanding (in Dollars)	$ 22,714,501
Series1 Warrants2_45 [Member]
Warrants (in Shares)	5,231,708
Exercise Price	2.45
Series1 Warrants2_56 [Member]
Warrants (in Shares)	460,976
Exercise Price	2.56
Series3 Warrants [Member]
Warrants (in Shares)	17,021,817
Exercise Price	2.50

Value of warrants and rights outstanding. "Equity warrants and rights outstanding" represents derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential.

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