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v3.23.1

BUSINESS DESCRIPTION (Narrative) (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 4 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 02, 2021 | May 12, 2023 | May 12, 2023 | Mar. 31, 2023 | Mar. 31, 2022 | May 12, 2023 | Apr. 14, 2023 | Dec. 31, 2022 | Apr. 13, 2020
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Net loss |  |  |  | $ 3,030,000 | $ 4,584,000 |  |  |  |
Net loss |  |  |  | 3,000,000.0 |  |  |  |  |
Accumulated deficit |  |  |  | (95,327,000) |  |  |  | $ (92,297,000) |
Working deficiency |  |  |  | 500,000 |  |  |  |  |
Net cash used in operating activities |  |  |  | (1,575,000) | $ (2,334,000) |  |  |  |
Proceeds from issuance of common stock |  |  |  | $ 438,000 |  |  |  |  |
Common stock, par value |  |  |  | $ 0.01 |  |  |  | $ 0.01 |
Sales Agreement with Alliance Global Partners |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock | $ 16,100,000 |  |  |  |  |  |  |  |
Sale of common stock | 5,202,561 |  |  |  |  |  |  |  |
Sales Agreement with Alliance Global Partners | Maximum [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock | $ 22,000,000.0 |  |  |  |  |  |  |  |
At The Market Offering Agreement |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  | $ 400,000 |  |  |  |  |
Sale of common stock |  |  |  | 543,826 |  |  |  |  |
Subsequent Events [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Sale of common stock |  | 72,712 |  |  |  | 5,202,561 |  |  |
Subsequent Events [Member] | At The Market Offering Agreement |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  | $ 15,600,000 |  |  |
Common stock, par value |  |  |  |  |  |  | $ 0.01 |  |
Aggregate authorized offering price |  |  |  |  |  |  | $ 5,800,000 |  |
Sale of common stock |  |  | 500 |  |  |  |  |  |
Amount available for future sale of shares pursuant to the sales agreement |  | $ 5,800,000 | $ 5,800,000 |  |  | $ 5,800,000 |  |  |
Subsequent Events [Member] | At The Market Offering Agreement | Maximum [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  | $ 1,000 |  |  |  |  |  |
AGP | At The Market Offering Agreement |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Common stock, par value | $ 0.01 |  |  |  |  |  |  |  |
Aggregate authorized offering price |  |  |  |  |  |  |  |  | $ 50,000,000.0

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