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Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) (Parentheticals) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Unrealized gains on marketable securities, tax $ 0 $ 0 $ 0 $ 0