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Consolidated Balance Sheets (Parenthetical) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Common stock, par value $ 0.0005us-gaap_CommonStockParOrStatedValuePerShare $ 0.0005us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 200,000,000us-gaap_CommonStockSharesAuthorized 200,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 7,291,200us-gaap_CommonStockSharesIssued 7,120,148us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 7,291,200us-gaap_CommonStockSharesOutstanding 7,120,148us-gaap_CommonStockSharesOutstanding
Reverse stock split ratio 0.2us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 0.2us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Reverse stock split description 1-for-5 1-for-5
Effective date of reverse stock split Mar. 19, 2015 Mar. 19, 2015