SHARE-BASED COMPENSATION - Narrative (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|
May 31, 2019 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Share-based compensation expense | $ 70 | $ 114 | $ 263 | $ 521 | |
| Stock options | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Unrecognized compensation cost | $ 600 | $ 600 | |||
| Weighted-average period of unrecognized compensation cost expected to be recognized | 2 years 2 months 12 days | ||||
| 2015 Equity Incentive Plan | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Shares available for grant (in shares) | 476,968 | 476,968 | |||
| 2015 Equity Incentive Plan | Restricted stock | |||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Shares issued (in shares) | 21,524 | ||||
| Transfer restriction period (in years) | 1 year | ||||
| X | ||||||||||
- Definition Share-based Compensation Arrangement By Share-based Payment Award, Transfer Restriction Period. No definition available.
|
| X | ||||||||||
- Definition Amount, after tax, of expense for award under share-based payment arrangement. No definition available.
|
| X | ||||||||||
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares issued under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|