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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares | Sep. 30, 2022 | Dec. 31, 2021
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CONDENSED CONSOLIDATED BALANCE SHEETS |  |
Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Preferred stock, authorized shares | 5,000,000 | 5,000,000
Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Common stock, authorized shares | 100,000,000 | 100,000,000
Common stock, issued shares | 36,599,298 | 35,806,119
Common stock, outstanding shares | 33,775,236 | 33,655,402
Treasury stock, shares | 2,824,062 | 2,150,717

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