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STOCK TRANSACTIONS - Stock based compensation (Details) $ / shares in Units, $ in Millions |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 29, 2023 USD ($) item $ / shares shares | Sep. 14, 2023 USD ($) item $ / shares shares | Aug. 15, 2023 USD ($) item $ / shares shares | Sep. 30, 2023 $ / shares | Jun. 28, 2023 shares | Jun. 27, 2023 shares
Options |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Exercise price | $ / shares |  |  |  | $ 1.34 |  |
2006 Employee Stock Incentive Plan |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of shares authorized for issuance under share-based payment arrangement |  |  |  |  | 12,475,171 | 8,475,171
2006 Employee Stock Incentive Plan | Shares of restricted Common Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of shares granted |  |  | 1,371,362 |  |  |
Estimated fair value on date of grant | $ |  |  | $ 2.7 |  |  |
2006 Employee Stock Incentive Plan | Shares of restricted Common Stock | Upon grant |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of shares granted |  |  | 200,000 |  |  |
2006 Employee Stock Incentive Plan | Shares of restricted Common Stock | Over a two-year period |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of shares granted |  |  | 600,000 |  |  |
Vesting period |  |  | 2 years |  |  |
Vesting in number of quarterly increments | item |  |  | 8 |  |  |
2006 Employee Stock Incentive Plan | Shares of restricted Common Stock | Over a three-year period |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Number of shares granted |  |  | 571,362 |  |  |
Vesting period |  |  | 3 years |  |  |
Vesting in number of quarterly increments | item |  |  | 12 |  |  |
2006 Employee Stock Incentive Plan | Options | Officers and other employees |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Vesting period |  |  | 3 years |  |  |
Vesting in number of quarterly increments | item |  |  | 12 |  |  |
Estimated fair value on date of grant | $ |  |  | $ 1.5 |  |  |
Term of award |  |  | 10 years |  |  |
Number of options to purchase shares |  |  | 1,056,315 |  |  |
Exercise price | $ / shares |  |  | $ 1.99 |  |  |
2006 Employee Stock Incentive Plan | Options | Chairman, Board of Directors |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Vesting period |  | 3 years |  |  |  |
Vesting in number of quarterly increments | item |  | 12 |  |  |  |
Estimated fair value on date of grant | $ |  | $ 0.1 |  |  |  |
Term of award |  | 10 years |  |  |  |
Number of options to purchase shares |  | 85,715 |  |  |  |
Exercise price | $ / shares |  | $ 1.75 |  |  |  |
2006 Employee Stock Incentive Plan | Options | Non-executive directors other than Chairman |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Vesting period | 3 years |  |  |  |  |
Vesting in number of quarterly increments | item | 12 |  |  |  |  |
Estimated fair value on date of grant | $ | $ 0.4 |  |  |  |  |
Term of award | 10 years |  |  |  |  |
Number of options to purchase shares | 308,380 |  |  |  |  |
Exercise price | $ / shares | $ 1.66 |  |  |  |  |

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