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Consolidated Balance Sheets (Parentheticals) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Common stock - par value (in Dollars per share) $ 0.01us-gaap_CommonStockParOrStatedValuePerShare $ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock - shares authorized 70,000,000us-gaap_CommonStockSharesAuthorized 70,000,000us-gaap_CommonStockSharesAuthorized
Common stock - shares issued 17,681,274us-gaap_CommonStockSharesIssued 16,152,756us-gaap_CommonStockSharesIssued
Common stock - shares outstanding 17,681,274us-gaap_CommonStockSharesOutstanding 16,152,756us-gaap_CommonStockSharesOutstanding