EQUITY INCENTIVE PLAN (Narrative) (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation		$ 700,000	$ (500,000)
Unrecognized compensation expense related to unvested stock awards		$ 1,700,000
Unvested stock options, unrecognized compensation expense weighted average recognition period		2 years
Share-based compensation arrangement by share-based payment award, expiration period		10 years
Accrued expenses		$ 1,268,000	$ 1,583,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, expected to vest, outstanding (in shares)		413,174
Stock options, expected to vest, outstanding, aggregate intrinsic value		$ 0
Stock options, expected to vest remaining contractual term		8 years 8 months 12 days
Weighted average grant date fair value (in dollars per share)		$ 2.15
Risk free interest rate, minimum		1.60%
Risk free interest rate, maximum		2.53%
Term		6 years
Equity Incentive Plan 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of additional shares authorized	359,300
Number of shares authorized	403,744
Maximum number of shares per employee	66,667
Award plan, percentage of outstanding stock maximum	5.00%
Equity Incentive Plan 2017 [Member] | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, expiration period		10 years
Number of shares authorized		44,444
Pricing model used for fair value assumptions		Black-Scholes option pricing model
Minimum | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Volatility rate		133.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, unvested options, vesting period		4 years
Maximum | Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, unvested options, vesting period		4 years
Volatility rate		139.00%