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v3.23.1

Stockholders’ Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
May 31, 2022 | Apr. 30, 2022 | Mar. 31, 2022 | Feb. 28, 2022 | Jan. 31, 2022 | Aug. 31, 2021 | Jan. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Nov. 30, 2022 | Aug. 31, 2022
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock shares, outstanding |  |  |  |  |  |  |  | 15,016,295 | 9,914,158 |  |
Proceeds from Warrant Exercises |  |  |  |  |  |  |  | $ 4 |  |  |
Stock-based compensation |  |  |  |  |  |  |  | $ 947 | $ 1,505 |  |
2015 Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of additional shares authorized |  |  |  |  |  |  | 1,000,000 |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net, shares |  |  |  |  |  |  |  | 1,151 | 2,775 |  |
Common Stock [Member] | Common Stock To Maxim Group Llc [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of shares agreed to issue |  |  |  |  |  |  |  |  |  | 337,078 |
Stock-based compensation |  |  |  |  |  |  |  | $ 300 |  |  |
Common Stock [Member] | Services Agreement With Maxim Mdm Worldwide Solutions [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of shares agreed to issue |  |  |  |  |  |  |  |  |  |  | 50,000
Stock-based compensation |  |  |  |  |  |  |  | 79,000 |  |  |
Common Stock [Member] | Restricted stock agreement with Maxim Group, LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of shares agreed to issue |  |  |  |  |  | 50,000 |  |  |  |  |
Stock-based compensation |  |  |  |  |  |  |  | $ 71,000 |  |  |
Vesting period |  |  |  |  |  | 12 months |  |  |  |  |
JT Pharmaceuticals [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net, shares |  |  |  |  | 51,021 |  |  |  |  |  |
Milestone payment |  |  |  |  | $ 100,000 |  |  |  |  |  |
Pre-Funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of warrants issued | 1,289,796 | 1,300,000 | 974,242 |  |  |  |  |  |  |  |
Proceeds from Warrant Exercises | $ 1,290 | $ 1,300 | $ 1,000 |  |  |  |  |  |  |  |
February 2022 Offerings [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net, shares |  |  |  | 1,100,000 |  |  |  |  |  |  |
Proceeds from sale of common stock |  |  |  | $ 5,000 |  |  |  |  |  |  |
February 2022 Offerings [Member] | Pre-Funded Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of warrants issued |  |  |  | 2,274,242 |  |  |  |  |  |  |
Exercise price of warrants, shares |  |  |  | $ 0.001 |  |  |  |  |  |  |
February 2022 Offerings [Member] | Unregistered prefunded warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of warrants issued |  |  |  | 1,289,796 |  |  |  |  |  |  |
Exercise price of warrants, shares |  |  |  | $ 0.001 |  |  |  |  |  |  |
February 2022 Offerings [Member] | Unregistered five year and six month warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of warrants issued |  |  |  | 4,664,038 |  |  |  |  |  |  |
Exercise price of warrants, shares |  |  |  | $ 1.14 |  |  |  |  |  |  |
January 2021 Offering [Member] |  |  |  |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock, net, shares |  |  |  |  |  |  | 2,725,000 |  |  |  |
Number of warrants issued |  |  |  |  |  |  | 2,725,000 |  |  |  |
Exercise price of warrants, shares |  |  |  |  |  |  | $ 3.55 |  |  |  |

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