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EARNINGS PER COMMON SHARE (Tables) | 12 Months Ended
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Dec. 31, 2022
EARNINGS PER COMMON SHARE |
Schedule of anti-dilutive shares excluded from diluted income (loss) per common share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
​ | ​ | 2022 |  | 2021 |  | 2020
Net income (loss) | ​ | $ | 44,296 | ​ | $ | 28,217 | ​ | $ | (68,445)
Allocation of earnings to participating securities | ​ |  | (1,429) | ​ |  | (1,172) | ​ |  | (1,338)
Net income (loss) attributable to common stockholders | ​ | $ | 42,867 | ​ | $ | 27,045 | ​ | $ | (69,783)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average common shares outstanding used in basic income (loss) per common share | ​ | ​ | 153,281 | ​ | ​ | 151,684 | ​ | ​ | 150,828
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Performance-based restricted stock units | ​ | ​ | 125 | ​ | ​ | 144 | ​ | ​ | —
ESPP shares | ​ | ​ | 4 | ​ | ​ | 2 | ​ | ​ | —
Weighted average common shares outstanding used in diluted income (loss) per common share | ​ | ​ | 153,410 | ​ | ​ | 151,830 | ​ | ​ | 150,828
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Anti-dilutive shares excluded from diluted income (loss) per common share | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | ​ | — | ​ | ​ | 31 | ​ | ​ | 96
Performance-based restricted stock units | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 54
ESPP shares | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 17
Net dilutive potential common shares issuable | ​ | ​ | — | ​ | ​ | 31 | ​ | ​ | 167
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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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