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LEASES - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended
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Apr. 04, 2011 | Mar. 31, 2019
Leases |  |
Total lease cost |  | $ 452
Lease agreement entered into April 2011 |  |
Leases |  |
Lease term | 7 years |
Obligation of sublessor towards the cost of alterations of office space | $ 472 |
Lease agreement entered into April 2011 | Period from October 1, 2018 to April 30, 2023 |  |
Leases |  |
Monthly rental payment |  | 186
Lease agreement entered into April 2011 | Period from May 1, 2023 to September 30, 2025 |  |
Leases |  |
Monthly rental payment |  | $ 204
Sub Sublease Agreement | Period November 1, 2011 until May 31, 2015 |  |
Leases |  |
Monthly rental payment | 82 |
Sub Sublease Agreement | Period after May 31, 2015 until April 30, 2018 |  |
Leases |  |
Monthly rental payment | $ 90 |

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- Definition Represents the monthly payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease. + References No definition available. + Details
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- Definition Represents the obligation of sublessor towards the cost of alterations to the assets under the lease agreement. + References No definition available. + Details
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- Definition Amount of lease cost recognized by lessee for lease contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + 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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