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SHARE-BASED COMPENSATION (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2017 | Sep. 30, 2014 | Jun. 30, 2018 | Jun. 30, 2017 | Nov. 29, 2016
2016 Equity Incentive Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Number of shares available to be awarded |  |  |  |  | 1,500,000
Number of awards granted during period |  |  | 200,000 |  |
Employees Stock Option Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Intrinsic value of stock options outstanding |  |  | $ 272 |  |
Intrinsic value of stock options exercisable |  |  | 272 |  |
ESPP [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Aggregate share-based compensation expense |  |  | $ 7 | $ 3 |
Description of plan |  | Offering and purchase periods of six months, and bases the pricing to purchase shares of our common stock on a formula so as to result in a per share purchase price that approximates a 15% discount from the market price of a share of our common stock at the end of the purchase period. |  |  |
Number of shares reserved for future issuance |  | 704,715 |  |  |
Number of shares purchased and allocated to employee (in shares) |  |  | 6,733 | 3,794 |
Exercise price (in dollars per share) |  |  | $ 5.60 | $ 4.74 |
Number of shares options purchased (in shares) |  |  | 16,123 |  |
Performance Award [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Aggregate share-based compensation expense |  |  | $ 187 |  |
Number of awards granted during period | 200,000 |  | 40,000 |  |
Period for award description |  |  | Completion of service periods that range from 7 months to 9.5 years at inception and the achievement of our common stock trading at certain pre-determined prices. |  |
Unrecognized compensation cost |  |  | $ 100 |  |
Weighted-average period |  |  | 4 years 10 months 21 days |  |
Weighted average fair value |  |  | $ 4.46 |  |
Number of shares issued |  |  | 24,727 |  |

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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