Related Party Transactions	6 Months Ended
Jun. 30, 2019
Related Party Transactions [Abstract]
Related Party Transactions	11. RELATED PARTY TRANSACTIONS The Company leases a portion of its corporate headquarters in San Diego, 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, 2019 and 2018 totaled $2,000 and $3,000, respectively, and $7,000 and $14,000, respectively.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-URI http://asc.fasb.org/topic&trid=2122745

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