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INCOME TAXES (Tables) | 9 Months Ended
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Oct. 31, 2018
INCOME TAXES |
Schedule of actual income tax expense amounts |
|  | Nine Months Ended October 31,
|  | 2018 |  | 2017
Computed expected income tax expense |  | $ | (10,427) |  | $ | (36,062)
(Increase) decrease resulting from: |  |  |  |  |  |
State income taxes, net of federal tax effect |  |  | 676 |  |  | (4,633)
Federal research and development tax credits |  |  | 13,866 |  |  | —
Net operating loss benefits |  |  | 1,730 |  |  | —
Stock options |  |  | 14 |  |  | 866
Domestic production activities deduction |  |  | — |  |  | 3,036
Adjustments and other differences |  |  | (1,350) |  |  | (945)
Income tax benefit (expense) |  | $ | 4,509 |  | $ | (37,738)

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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