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SHARE-BASED COMPENSATION (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Apr. 20, 2015
Share-based Compensations [Abstract] |  |  |  |  |  |
Number of shares authorized for issuance under the equity incentive plan (in shares) | 75,022 | 42,114 | 6,597 | 17,737 | 70,672 | 80,000
Share based compensation expense | $ 1,200 | $ 600 |  |  |  |
Unamortized share based compensation expense | $ 70 |  |  |  |  |
2015 Equity Incentive Award Plan [Member] |  |  |  |  |  |
Share-based Compensations [Abstract] |  |  |  |  |  |
Number of shares authorized for issuance under the equity incentive plan (in shares) | 160,000 |  |  |  |  |
2015 Equity Incentive Award Plan [Member] | Employees [Member] | Options [Member] |  |  |  |  |  |
Share-based Compensations [Abstract] |  |  |  |  |  |
Number of options granted for purchase (in shares) | 0 |  |  |  |  |
2015 Equity Incentive Award Plan [Member] | Employees [Member] | Restricted Stock Units [Member] |  |  |  |  |  |
Share-based Compensations [Abstract] |  |  |  |  |  |
Number of options granted for purchase (in shares) | 0 |  |  |  |  |

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