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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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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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The weighted average fair value at grant date for nonvested equity-based awards issued 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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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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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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Number of additional shares authorized for issuance under an established share-based compensation plan.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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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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An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Number of shares for which recognition of compensation cost was accelerated.

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Percentage of vesting of share-based compensation awards.

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Number of options vested.

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STOCK-BASED COMPENSATION (Narrative) (Details) $ / shares in Units, $ in Thousands			1 Months Ended				3 Months Ended		12 Months Ended
	Sep. 30, 2019	Aug. 08, 2016	Jun. 30, 2017 shares	Jan. 31, 2017 shares	Aug. 31, 2016 shares	Jun. 30, 2016 shares	Mar. 31, 2018 USD ($) quarter $ / shares shares	Mar. 31, 2017 USD ($) quarter $ / shares shares	Dec. 31, 2017 shares	Jul. 01, 2017 shares	Jan. 31, 2014 shares
Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares							37,500	150,880
Vested (in shares) \| shares							37,470
Unrecognized compensation expense related to unvested employee stock option							$ 846
Options outstanding, aggregate intrinsic value							178
Options vested, aggregate intrinsic value							$ 91
Weighted average period							2 years 8 months 12 days
Granted (in dollars per share) \| $ / shares							$ 5.57
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							$ 566	$ 559
Unrecognized compensation expense related to unvested employee stock option							$ 5,500
Weighted average period							2 years 3 months 18 days
Granted (in shares) \| shares							270,528
Vested (in shares) \| shares							184,818
Granted (in dollars per share) \| $ / shares							$ 6.08
Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance bonus amount, percent of estimate							10.00%
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							5,950,000				1,400,000
Number of additional shares authorized (in shares) \| shares			3,250,000			1,300,000
2015 Performance Plan \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in dollars per share) \| $ / shares							$ 5.06
Employees and Consultants \| Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of award							10 years
Aggregate grant date fair value of options granted							$ 141
Employees \| Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower limit (in dollars per share) \| $ / shares								$ 4.36
Exercise price range, upper limit (in dollars per share) \| $ / shares								$ 4.37
Term of award								10 years
Number of quarters over which awards vest, grant date subsequent to initial vesting \| quarter							16	16
Aggregate grant date fair value of options granted								$ 397
Stock compensation							$ 105	$ 131
Forfeitures rate							6.00%	6.00%
Employees \| Common stock options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower limit (in dollars per share) \| $ / shares							$ 5.01
Employees \| Common stock options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower limit (in dollars per share) \| $ / shares							$ 5.96
Consultants \| Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							$ 2	$ 3
Employees and directors \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Bonus percentage							10.00%
Non-executive employees \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Bonus percentage									10.00%
Non-executive employees \| Non-executive Bonus Program 2017 \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock approved for issuance (in shares) \| shares										300,000
Granted (in shares) \| shares									180,528
Stock compensation							$ 87
Award vesting rights, percent									25.00%
Executives \| Common stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accelerated vesting, number of shares impacted \| shares				8,752
Option exercise period extended, number of shares impacted \| shares				17,504
Plan modification, incremental compensation cost							0	19
Executives \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accelerated vesting, number of shares impacted \| shares				8,815
Plan modification, incremental compensation cost							0	36
Executives \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares					250,000
Award vesting rights, percent		50.00%
Executives \| Performance Based Awards \| Maximum \| Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percent	50.00%
Common Stock \| 2017 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							0	0
Common Stock \| Non-executive Bonus Program 2017 \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							0	0
Common Stock \| 2018 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							313	0
Common Stock \| Employees and directors \| 2018 Incentive Bonus Program \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							291
Common Stock \| Employees and directors \| 2018 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							604
Common Stock \| Executives
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							$ 415	306
Common Stock \| Executives \| 2015 Performance Plan \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period							1 year 6 months
Stock compensation							$ 6	7
Compensation cost not yet recognized							35
Common Stock \| Executives \| 2017 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period									10 days
Common Stock \| Executives \| 2018 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							41
Research and development expenses \| Common Stock \| 2017 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation								$ 224
Research and development expenses \| Common Stock \| Non-executive Bonus Program 2017 \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							70
Research and development expenses \| Common Stock \| 2018 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							390
General and administrative expenses \| Common Stock \| 2017 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							191
General and administrative expenses \| Common Stock \| Non-executive Bonus Program 2017 \| Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							17
General and administrative expenses \| Common Stock \| 2018 Incentive Bonus Program \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation							$ 214