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14. STOCK-BASED COMPENSATION - Schedule of Restricted Stock Summary (Details) $ / shares in Units, $ in Thousands | 6 Months Ended
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Mar. 31, 2024 USD ($) $ / shares shares
Class of Stock [Line Items] |
Weighted Average Exercise Price, Beginning Balance | $ 13.49
Weighted Average Exercise Price, Expired | 18.2
Weighted Average Exercise Price, Ending Balance | $ 6.12
Restricted [Member] |
Class of Stock [Line Items] |
Number of Option Shares, Beginning Balance | shares | 5,471,435
Number of Shares, Granted | shares | 209,972
Number of Shares, Vested | shares | (3,763,915)
Number of Shares, Forfeited | shares | (2,504)
Number of Option Shares, Ending Balance | shares | 1,914,988
Weighted Average Exercise Price, Beginning Balance | $ 4.18
Weighted Average Exercise Price, Granted | 3.81
Weighted Average Exercise, Vested | 3.86
Weighted Average Exercise Price, Expired | 4.15
Weighted Average Exercise Price, Ending Balance | $ 4.78
Aggregate Intrinsic Value Outstanding at Beginning | $ | $ 20,846
Aggregate Intrinsic Value Outstanding at Ending | $ | $ 40,617

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