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Concentrations of Credit Risk
12 Months Ended
Dec. 31, 2014
Concentrations of Credit Risk  
Concentrations of Credit Risk

18.   Concentrations of Credit Risk

        Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents held. The Company maintains cash and cash equivalents with various financial institutions. Cash deposits maintained at financial institutions may exceed the federally insured limit.