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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Deferred tax assets, valuation allowance $ 10,432,000 $ 10,303,000
Preferred stock, no par value (in dollars per share) $ 0 $ 0
Preferred stock, shares authorized (in shares) 250,000,000 250,000,000
Preferred stock, shares issued (in shares) 0 0
Common stock, no par value (in dollars per share) $ 0 $ 0
Common stock, shares authorized (in shares) 500,000,000 500,000,000
Common stock, shares issued (in shares) 45,572,568 45,572,568
Common stock, shares outstanding (in shares) 45,572,568 45,572,568