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Stockholders' Equity (Details Textual) - Relationship to Entity [Domain] - Long-term Debt, Type [Domain] - $ / shares
Jun. 30, 2015
Dec. 31, 2014
Stockholders Equity [Line Items]    
Common Stock, Shares Authorized (in shares) 50,000,000 50,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001 $ 0.001