v3.23.3

Subsequent Events (Narrative) (Details) |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 04, 2023 USD ($) $ / shares shares | Mar. 31, 2023 USD ($) | Aug. 29, 2022 USD ($) | Aug. 23, 2021 USD ($) | Dec. 09, 2020 | Sep. 15, 2023 USD ($) a shares | Sep. 30, 2023 USD ($) shares | Sep. 26, 2023 shares | Sep. 30, 2022 $ / shares shares | Mar. 31, 2022 $ / shares | Sep. 30, 2021 $ / shares shares | Jun. 30, 2024 $ / shares shares | Jun. 30, 2023 USD ($) $ / shares shares | Jun. 30, 2022 USD ($) $ / shares shares | Sep. 18, 2023 USD ($) | Aug. 03, 2023 $ / shares | Dec. 31, 2022 $ / shares
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted |  |  |  |  |  |  |  |  |  |  |  |  | 307,863 | 313,568 |  |  |
Weighted-average exercise price per share, granted | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 7.06 | $ 27.50 |  |  |
Stock Options [Member] | Employees [Member] | 2020 Omnibus Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options vesting percentage |  |  |  |  |  |  |  |  |  | 25.00% | 25.00% |  |  |  |  |  |
Number of options granted |  |  |  |  |  |  |  |  | 303,869 |  | 165,488 |  |  |  |  |  |
Stock Options [Member] | Employees [Member] | 2020 Omnibus Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  | 1 year | 1 year | 1 year |  |  |  |  |  |
Stock options vesting percentage |  |  |  |  |  |  |  |  | 25.00% |  |  |  |  |  |  |  |
Stock Options [Member] | Employees [Member] | 2020 Omnibus Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  | 36 months | 36 months | 36 months |  |  |  |  |  |
Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares vested |  |  |  |  |  |  |  |  |  |  |  |  | 217,553 | 8,854 |  |  |
Restricted Stock Units [Member] | 2020 Omnibus Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  | 12 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based payment award, Grant-date fair value | $ |  | $ 468,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock Units [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  | 4 years | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |
Share based payment award, Grant-date fair value | $ |  |  | $ 49,000 | $ 133,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.50
Minimum [Member] | 2020 Omnibus Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Stock Options [Member] | Employees [Member] | 2020 Omnibus Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted | $ / shares |  |  |  |  |  |  |  |  | $ 6.75 | $ 8.50 | $ 26.50 |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price per share | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.04
Maximum [Member] | 2020 Omnibus Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Stock Options [Member] | Employees [Member] | 2020 Omnibus Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted | $ / shares |  |  |  |  |  |  |  |  | $ 9.50 | $ 11.50 | $ 33.75 |  |  |  |  |  |
Series A warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares to be issued upon exercise of warrants | 3,475,916 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price per share | $ / shares | $ 0.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.04 |
Series B warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares to be issued upon exercise of warrants | 2,058,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants, exercise price per share | $ / shares | $ 0.50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.04 |
Sales Agreement | Cantor Fitzgerald [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued |  |  |  |  |  |  |  |  |  |  |  |  | 5,782,871 | 175,973 |  |  |
Proceeds from sale of shares, net of issuance cost | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,400,000 | $ 1,200,000 |  |  |
Subsequent Event [Member] | Stock Options [Member] | 2020 Omnibus Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |
Stock options vesting percentage |  |  |  |  |  |  |  |  |  |  |  | 25.00% |  |  |  |  |
Subsequent Event [Member] | Stock Options [Member] | 2020 Omnibus Equity Incentive Plan [Member] | Share-Based Payment Arrangement, Tranche Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  | 36 months |  |  |  |  |
Subsequent Event [Member] | Stock Options [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of options granted |  |  |  |  |  |  |  |  |  |  |  | 473,000 |  |  |  |  |
Weighted-average exercise price per share, granted | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.35 |  |  |  |  |
Subsequent Event [Member] | Stock Options [Member] | Employees [Member] | 2020 Omnibus Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based payment plan term |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |
Subsequent Event [Member] | Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares vested |  |  |  |  |  |  | 33,153 |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Series A warrants | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares to be issued upon exercise of warrants | 3,475,916 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Series B warrants | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares to be issued upon exercise of warrants | 2,058,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Purchase and Sale Agreement with Majestic Realty Co |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of land agreed to sell | $ |  |  |  |  |  | $ 17,250,000 |  |  |  |  |  |  |  |  |  |  |
Area of ground lease | a |  |  |  |  |  | 21.401 |  |  |  |  |  |  |  |  |  |  |
Earnest money deposit | $ |  |  |  |  |  | $ 200,000 |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Credit Agreement with Woodforest National Bank | If the Facility is not sold on or before December 1, 2023, |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fee amount | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,000 |  |
Subsequent Event [Member] | Sales Agreement | Cantor Fitzgerald [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued |  |  |  |  |  |  |  | 3,419,795 |  |  |  |  |  |  |  |  |
Proceeds from sale of shares, net of issuance cost | $ |  |  |  |  |  |  | $ 1,700,000 |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Lincoln Park Stock Purchase Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount of common stock agreed to sell | $ | $ 10,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Price per share of common stock to sell additional shares | $ / shares | $ 0.20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of common stock directed to sell through written notice | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum commitment in single regular sale of common stock | $ | $ 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued | 211,473 |  |  |  |  | 3,622,834 |  |  |  |  |  |  |  |  |  |  |
Additional commitment shares | 211,474 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from issuance of common stock | $ | $ 5,000,000 |  |  |  |  |  | $ 1,200,000 |  |  |  |  |  |  |  |  |  |
Maximum number of common stock to be sold as per applicable rules of the nyse american | 4,474,945 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of common stock to be sold on outstanding common stock as per applicable rules of the nyse american | 19.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum beneficial ownership considered to sale shares under agreement | 4.99% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Lincoln Park Stock Purchase Agreement | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price per share of common stock | $ / shares | $ 0.15 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Lincoln Park Stock Purchase Agreement | If the closing sale price of the Common Stock on the NYSE American on the applicable purchase date is not below $1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price per share of common stock | $ / shares | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of common stock to be sold | 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Lincoln Park Stock Purchase Agreement | If the closing sale price of the Common Stock on the NYSE American on the applicable purchase date is not below $2.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price per share of common stock | $ / shares | $ 2.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum number of common stock to be sold | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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