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401(k) PLAN (Details Textual) | 12 Months Ended
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Dec. 31, 2018 USD ($) InvestmentOptions | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Maximum annual contribution per employee under 401(k) plan | $ 18,500 | $ 18,000 | $ 18,000
Number of investment options | InvestmentOptions | 50 |  |
Company contributions under 401 (k) Plan | $ 317,000 | $ 0 | $ 0

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- Definition The number of investment options at the direction of each participant to invest in the assets of the 401(k) plan. + References No definition available. + Details
Name: | abeo_NumberOfInvestmentOptions
Namespace Prefix: | abeo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Maximum amount the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration