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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue recognition (Details) - Accounting Standards Update 2014-09 | Jan. 01, 2018 USD ($)
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Disaggregation of Revenue [Line Items] |
Cumulative effect of new accounting pronouncement, amount of potential impact not recorded | $ 400,000
Cumulative effect of new accounting principle in period of adoption | $ 0

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- Details
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