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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands | Sep. 30, 2020 | Sep. 30, 2019
--- | --- | ---
ASSETS |  |
Allowances for accounts receivable | $ 358 | $ 304
LIABILITIES AND STOCKHOLDERS’ EQUITY |  |
Debt issuance costs | $ 10,891 | $ 12,470
Preferred stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Preferred stock, shares authorized (in shares) | 5,000,000 | 5,000,000
Preferred stock, shares issued (in shares) | 0 | 0
Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Common stock, shares authorized (in shares) | 63,000,000 |
Common stock, shares issued (in shares) | 31,012,326 | 30,933,110
Common stock, shares outstanding (in shares) | 31,012,326 | 30,933,110

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