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v3.23.3

Debt (Details Textual) $ / shares in Units, $ in Thousands |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 28, 2022 USD ($) | Jan. 04, 2022 USD ($) $ / shares shares | Jul. 02, 2021 USD ($) | Dec. 17, 2019 USD ($) d $ / shares shares | Jan. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) $ / shares | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) $ / shares | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) $ / shares | Sep. 12, 2021 $ / shares shares
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Common stock, par value |  |  |  |  |  | $ 0.001 |  | $ 0.001 |  | $ 0.001 |
Short-term debt | $ |  |  |  |  |  | $ 1,204 |  | $ 1,204 |  | $ 3,732 |
Bridge Loan |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Debt instrument maturity date |  |  | Oct. 01, 2021 |  |  |  |  |  |  |  |
Extended debt instrument maturity date |  |  | Jan. 03, 2022 |  |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued | shares |  |  |  |  |  |  |  |  |  |  | 3,623,189
Common stock, par value |  |  |  |  |  |  |  |  |  |  | $ 0.001
Purchase price (in dollars per share) |  |  |  |  |  |  |  |  |  |  | 2.76
Warrants, Initial exercise price per share |  |  |  |  |  |  |  |  |  |  | $ 2.76
Beneficial owner | Common Stock |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Beneficial owner of the Company’s issued and outstanding shares of Common Stock |  |  |  | 46.60% |  |  |  |  |  |  |
Edward D. Bagley | Bridge Loan |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Principal amount of loan obtained | $ |  | $ 2,000 |  |  |  |  |  |  |  |  |
Promissory note issuance date |  | Jul. 02, 2021 |  |  |  |  |  |  |  |  |
Bridge loan amended date |  | Sep. 11, 2021 |  |  |  |  |  |  |  |  |
Edward D. Bagley | Bridge Loan | Notes Payable |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Interest rate of the loan | 12.00% |  | 8.00% |  |  |  |  |  |  |  |
Principal amount of loan obtained | $ | $ 2,000 |  | $ 2,000 |  |  |  |  |  |  | $ 2,000 |
Promissory note issuance date | Oct. 28, 2022 |  | Jul. 02, 2021 |  |  |  |  |  |  |  |
Debt instrument maturity date | Oct. 28, 2023 |  |  |  |  |  |  |  |  |  |
Repayments of short-term debt | $ |  |  |  |  | $ 2,000 |  |  |  |  |  |
Securities Purchase Agreement | Edward D. Bagley | Private Placement | Common Stock |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued | shares |  | 1,538,461 |  |  |  |  |  |  |  |  |
Common stock, par value |  | $ 0.001 |  |  |  |  |  |  |  |  |
Purchase price (in dollars per share) |  | $ 1.3 |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Issuance and sale of secured convertible notes | $ |  |  |  | $ 3,000 |  |  |  |  |  |  |
Original issue discount and issuance costs | $ |  |  |  | 346 |  |  |  |  |  |  |
Net proceeds after original issue discount and issuance costs | $ |  |  |  | $ 2,654 |  |  |  |  |  |  |
Amortization of debt discount and issuance costs | $ |  |  |  |  |  | $ 49 | $ 49 | $ 147 | $ 147 |  |
Senior Convertible Notes and Warrants | Common Stock |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase of common stock, shares | shares |  |  |  | 340,909 |  |  |  |  |  |  |
Common stock, par value |  |  |  | $ 0.001 |  |  |  |  |  |  |
Senior Convertible Notes |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Interest accrual at a variable rate adjusted on a quarterly basis, percent |  |  |  | 2.50% |  |  |  |  |  |  |
Published in the Wall Street Journal (New York edition) as of the beginning of such calendar quarter |  |  |  | Prime Rate |  |  |  |  |  |  |
Debt instrument maturity date |  |  |  | Dec. 17, 2023 |  |  |  |  |  |  |
Senior Convertible Notes | Greater of |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Interest accrual at a variable rate adjusted on a quarterly basis, percent |  |  |  | 5.25% |  |  |  |  |  |  |
Senior Convertible Notes | Common Stock |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes, Initial conversion price per share |  |  |  | $ 2.11 |  |  |  |  |  |  |
Senior Convertible Notes, Threshold percentage of stock price trigger |  |  |  | 120.00% |  |  |  |  |  |  |
Senior Convertible Notes, Threshold consecutive trading days | d |  |  |  | 90 |  |  |  |  |  |  |
Senior Convertible Notes | Common Stock | Greater of |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes, Threshold percentage of stock price trigger |  |  |  | 200.00% |  |  |  |  |  |  |
Warrants | Common Stock |  |  |  |  |  |  |  |  |  |  |
Senior Convertible Notes and Warrants |  |  |  |  |  |  |  |  |  |  |
Warrants, Initial exercise price per share |  |  |  | $ 1.76 |  |  |  |  |  |  |

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