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Concentration of Credit Risk and Significant Customers	12 Months Ended
Concentration of Credit Risk and Significant Customers	Dec. 31, 2017
Risks and Uncertainties [Abstract]
Concentration of Credit Risk and Significant Customers	Concentration of Credit Risk and Significant Customers The Company has no significant off-balance sheet or concentrations of credit risk such as foreign exchange contracts, option contracts or other foreign hedging arrangements. The Company currently maintains the majority of its cash and cash equivalent balance with one financial institution.