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Accrued Separation Payments, Current

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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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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.

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Amount expected to be recognized in earnings for the specified restructuring cost.

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Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment.

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ACCRUED EXPENSES - Additional Information (Details) - USD ($) $ in Thousands	Sep. 09, 2019	Aug. 02, 2019	Sep. 28, 2018	Dec. 31, 2019	Aug. 03, 2019	Dec. 31, 2018	Sep. 30, 2017
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Expense recorded related to management changes				$ 378		$ 278
Restructuring costs							$ 100
Former Chief Financial Officer
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Separation Agreement, period of separation payments and benefits agreed to	12 months
Expense recorded related to management changes	$ 300
Former Chief Medical Officer
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Separation Agreement, period of separation payments and benefits agreed to		6 months
Expense recorded related to management changes					$ 300
Separation payments		$ 200
Consulting fees and transition expenses					$ 100
Former President And Chief Executive Officer
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Separation Agreement, period of separation payments and benefits agreed to			12 months
Expense recorded related to management changes			$ 600
Base salary			400
Bonuses			$ 200