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Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Restricted Stock and Options Outstanding Used in Per Share Calculations | For the fiscal years ended January 31, 2020, 2019 and 2018, the following table sets forth the number of potentially dilutive shares that may be issued pursuant to options, restricted stock and warrants outstanding used in the per share calculations.
| Years Ended January 31,
| 2020 |  | 2019 |  | 2018
| (in thousands)
Stock options | 79 |  |  | 96 |  |  | 77 |
Restricted stock | 3 |  |  | 11 |  |  | 32 |
Total dilutive shares | 82 |  |  | 107 |  |  | 109 |

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