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Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2017
Related Party Transactions [Abstract]
Related Party Transactions	12. RELATED PARTY TRANSACTIONS The Company leases a portion of its corporate headquarters at Pacific Oaks Plaza in Escondido, California to an entity 100% owned by the Company’s Chairman and Chief Executive Officer and another related party. Total rents charged and paid by this affiliate was approximately $36,000 and $36,000 for the years ended December 31, 2017 and 2016, respectively.