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Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Dec. 31, 2015
Sep. 30, 2015
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Preferred stock, shares issued (in shares) 211,393 208,222
Preferred stock, shares outstanding (in shares) 211,393 208,222
Preferred stock, liquidation preference $ 2,146
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 50,000,000 50,000,000
Common stock, shares issued (in shares) 5,326,615 4,637,684
Common stock, shares outstanding (in shares) 5,326,615 4,637,684