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The Company and Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
The Company and Summary of Significant Accounting Policies
Accounts receivable	$ 19,586,000	$ 22,778,000
Accrued liabilities	15,371,000	$ 11,149,000
Adjustment | ASU 2014-09
The Company and Summary of Significant Accounting Policies
Accounts receivable	169,000
Accrued liabilities	$ 169,000

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
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No definition available.

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