Represents the number of quarters from the date of grant subsequent to initial vesting, over which the awards vest.

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Represents the term of awards granted in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Represents the information pertaining to fair value of options granted. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Options, Forfeitures Rate

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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).

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Price of a single share of a number of saleable stocks of a company.

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Percentage of vesting of award under share-based payment arrangement.

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STOCK-BASED COMPENSATION (Narrative) (Details) $ / shares in Units, $ in Thousands	1 Months Ended					3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($) quarter $ / shares shares	Jun. 30, 2019 quarter $ / shares shares	Jun. 30, 2017 shares	Aug. 31, 2016 $ / shares shares	Jun. 30, 2016 shares	Jun. 30, 2020 USD ($) quarter $ / shares shares	Jun. 30, 2019 USD ($) quarter $ / shares shares	Jun. 30, 2020 USD ($) quarter $ / shares shares	Jun. 30, 2019 USD ($) quarter $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Jul. 31, 2019 $ / shares	Jan. 31, 2014 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in dollars per share) \| $ / shares											$ 2.53
Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares						50,500	62,000	60,500	102,000
Term of award								10 years	10 years
Aggregate grant date fair value of options granted						$ 83	$ 120	$ 95	$ 180
Stock compensation						62	$ 114	$ 129	$ 210
Forfeitures rate								10.00%	10.00%
Unrecognized compensation expense related to unvested employee stock option	$ 400					400		$ 400
Weighted average period								2 years 4 months 21 days
Options outstanding, aggregate intrinsic value	82					82		$ 82
Options vested, aggregate intrinsic value	$ 66					$ 66		$ 66
Share price (in dollars per share) \| $ / shares	$ 2.33					$ 2.33		$ 2.33
Common stock options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price (in usd per share) \| $ / shares	1.74	$ 1.52				1.74	$ 1.52	1.74	$ 1.52
Common stock options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price (in usd per share) \| $ / shares	$ 2.58	$ 3.15				$ 2.58	$ 3.15	$ 2.58	$ 3.15
Non-vested restricted stock unit awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation						$ 1,500	$ 1,300	$ 2,800	$ 2,600
Unrecognized compensation expense related to unvested employee stock option	$ 6,200					$ 6,200		$ 6,200
Weighted average period								2 years 3 months 18 days
Granted (in shares) \| shares								2,304,059
Non-vested restricted stock unit awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period								3 years
Non-vested restricted stock unit awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period								4 years
2014 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock approved for issuance (in shares) \| shares	14,950,000					14,950,000		14,950,000				1,400,000
Number of additional shares authorized (in shares) \| shares	5,000,000	4,000,000	3,250,000		1,300,000
Employee Incentive Programs \| Non-vested restricted stock unit awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period								10 days
Executives
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in dollars per share) \| $ / shares										$ 2.15
Executives \| Performance based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price (in dollars per share) \| $ / shares		$ 2.73		$ 5.06			$ 2.73		$ 2.73
Granted (in shares) \| shares		500,000		250,000						200,000
Executives \| 2015 Performance Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of shares vested										$ 26
Executives \| 2015 Performance Plan \| Performance based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation						$ 13	$ 1	$ 25	$ 7
Compensation cost not yet recognized	$ 114					114		$ 114
Award vesting period								2 years 3 months
Research and development expenses \| Executives \| 2015 Performance Plan \| Performance based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation						2		$ 4	$ 7
Sales, marketing and administration expenses \| Executives \| 2015 Performance Plan \| Performance based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation						$ 11	$ 1	$ 21
Tranche one \| Executives \| Performance based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percent								50.00%
Tranche two \| Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of quarters over which awards vest, grant date subsequent to initial vesting \| quarter	16	16				16	16	16	16
Tranche two \| Executives \| Performance based awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percent								50.00%