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Income Taxes (Details) - Schedule of Effective Income Tax Reconciliation | 12 Months Ended
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Jan. 31, 2019 | Jan. 31, 2018 | Jan. 31, 2017
Schedule of Effective Income Tax Reconciliation [Abstract] |  |  |
Federal income tax at statutory rate | 21.00% | 33.80% | 35.00%
State and local taxes, net of federal tax benefit | 3.60% | 3.20% | 2.30%
Section 45 production tax credits | (145.20%) | (45.40%) |
Research and experimentation credits | (77.80%) |  |
Tax Cuts and Jobs Act | 1.90% | (56.60%) |
Domestic production activities deduction |  | (5.90%) | (2.90%)
Uncertain tax positions | 47.10% | 1.40% | 0.80%
Noncontrolling interest | (9.90%) | (7.60%) | (4.60%)
Other | 2.20% | 0.20% |
Total | (157.10%) | (76.90%) | 30.60%

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