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Earnings per Share | 6 Months Ended
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Jul. 31, 2021
Earnings Per Share [Abstract] |
Earnings per Share | 11. Earnings per Share Net income per basic common share is computed using the weighted average number of common shares outstanding during the period, excluding unvested restricted stock. Net income per diluted common share is computed using the weighted average number of common shares and dilutive potential common shares outstanding during the period using the treasury stock method. Potential common shares result from the assumed exercise of outstanding common stock options having a dilutive effect and from the assumed vesting of unvested shares of restricted stock. The following table presents the calculation of basic and diluted weighted average common shares used in the earnings per share calculation:
|  | Three Months Ended July 31, |  |  | Six Months Ended July 31, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
|  | (in thousands) |  |  | (in thousands) |
Basic weighted average common shares outstanding |  |  | 13,774 |  |  |  | 12,182 |  |  |  | 13,767 |  |  |  | 12,177 |
Stock options |  |  | 79 |  |  |  | 3 |  |  |  | 58 |  |  |  | 1 |
Unvested restricted stock |  |  | 29 |  |  |  | 10 |  |  |  | 18 |  |  |  | 5 |
Total weighted average common share equivalents |  |  | 108 |  |  |  | 13 |  |  |  | 76 |  |  |  | 6 |
Diluted weighted average common shares outstanding |  |  | 13,882 |  |  |  | 12,195 |  |  |  | 13,843 |  |  |  | 12,183 |
For the three and six months ended July 31, 2021 and 2020, potentially dilutive common shares underlying stock options and unvested restricted stock were anti-dilutive and were therefore not considered in calculating diluted loss per share for those periods.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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