SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Summary of Significant Accounting Policies [Line Items]
Other current assets	$ 495,000	$ 521,000
Prepaid insurance	300,000	300,000
Prepaid and other assets	200,000	200,000
Allowance for slow moving or obsolete inventory	0	0
Impairment of intangible assets	0	0
Amortization expense of converted debt issuance costs	$ 100,000	$ 100,000
Contractual term of stock-based payment award (in years)	10 years
Awards outstanding (in shares)	0	0
Insurance claims (recoveries)	$ 0	$ 0
Advertising costs charged to operations	100,000	100,000
Research and development costs charged to operations	1,700,000	1,700,000
Income tax, interest and penalties	$ 0	$ 0
Securities not included in the computation of diluted net loss per share (in shares)	698,154	224,398
Maximum
Summary of Significant Accounting Policies [Line Items]
Vesting period of unvested awards (in years)	4 years