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Significant Accounting Policies - IPO (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Initial Offering Period February 20, 2013
Stock Issued During Period Shares New Issues 2,400,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
Proceeds From Issuance Initial Public Offering $ 35,400,000us-gaap_ProceedsFromIssuanceInitialPublicOffering