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RETIREMENT SAVINGS PLAN (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Defined Contribution Plan Disclosure [Line Items] |  |
Discretionary employer contributions (as a percent) | 50.00% |
Maximum discretionary employer contribution | $ 500 |
Matching contribution expense | $ 5,000 | $ 4,000
Minimum |  |
Defined Contribution Plan Disclosure [Line Items] |  |
Base pay that can be contributed by employees through salary deferrals (as a percent) | 1.00% |
Maximum |  |
Defined Contribution Plan Disclosure [Line Items] |  |
Base pay that can be contributed by employees through salary deferrals (as a percent) | 60.00% |

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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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