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Related Party Transactions	6 Months Ended
Related Party Transactions	Jun. 30, 2017
Related Party Transactions [Abstract]
Related Party Transactions	10. RELATED PARTY TRANSACTIONS The Company leases a portion of its corporate headquarters at Pacific Oaks Plaza in Escondido, California to entities 100% owned by the Company’s Chairman and Chief Executive Officer. Rental income recorded for the three and six months ended June 30, 2017 and 2016 totaled $7,000 and $7,000, respectively, and $14,000 and $14,000, respectively.