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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands | Dec. 31, 2022 | Sep. 30, 2022
--- | --- | ---
ASSETS |  |
Allowances for accounts receivable | $ 284 | $ 284
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |
Unamortized debt issuance expense | $ 6,907 | $ 7,280
Preferred stock, par value (in USD per share) | $ 0.01 | $ 0.01
Preferred stock authorized (in shares) | 5,000,000 | 5,000,000
Preferred stock issued (in shares) | 0 | 0
Common stock, par value (in USD per share) | $ 0.001 | $ 0.001
Common stock authorized (in shares) | 63,000,000 | 63,000,000
Common stock issued (in shares) | 31,347,439 | 30,880,138
Common stock outstanding (in shares) | 31,347,439 | 30,880,138

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