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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Jan. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) | Quarterly Financial Data (Unaudited)
| Quarters Ended
| Fiscal Year |  | April 30 |  | July 31 |  | October 31 |  | January 31
Net revenues: | 2018 |  | $ | 18,433 |  |  | $ | 10,836 |  |  | $ | 8,644 |  |  | $ | 10,363 |
| 2017 |  | $ | 11,731 |  |  | $ | 8,663 |  |  | $ | 8,057 |  |  | $ | 12,548 |
Gross profit (loss): | 2018 |  | $ | 3,194 |  |  | $ | 618 |  |  | $ | 901 |  |  | $ | 1,371 |
| 2017 |  | $ | (366 | ) |  | $ | (2,242 | ) |  | $ | (2,137 | ) |  | $ | (2,669 | )
Loss before income taxes: | 2018 |  | $ | (2,436 | ) |  | $ | (5,007 | ) |  | $ | (4,695 | ) |  | $ | (8,021 | )
| 2017 |  | $ | (6,144 | ) |  | $ | (9,091 | ) |  | $ | (7,558 | ) |  | $ | (8,546 | )
Incomes taxes (benefit): | 2018 |  | $ | 229 |  |  | $ | 357 |  |  | $ | 586 |  |  | $ | (262 | )
| 2017 |  | $ | 299 |  |  | $ | 435 |  |  | $ | (228 | ) |  | $ | 1,308 |
Net loss: | 2018 |  | $ | (2,665 | ) |  | $ | (5,364 | ) |  | $ | (5,281 | ) |  | $ | (7,759 | )
| 2017 |  | $ | (6,443 | ) |  | $ | (9,526 | ) |  | $ | (7,330 | ) |  | $ | (9,854 | )
Loss per common share – basic: | 2018 |  | $ | (0.24 | ) |  | $ | (0.46 | ) |  | $ | (0.46 | ) |  | $ | (0.66 | )
| 2017 |  | $ | (0.53 | ) |  | $ | (0.80 | ) |  | $ | (0.62 | ) |  | $ | (0.83 | )
Income per common share – diluted: | 2018 |  | $ | (0.24 | ) |  | $ | (0.46 | ) |  | $ | (0.46 | ) |  | $ | (0.66 | )
| 2017 |  | $ | (0.53 | ) |  | $ | (0.80 | ) |  | $ | (0.62 | ) |  | $ | (0.83 | )

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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