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Quarterly Consolidated Financial Information (unaudited) (Tables) | 12 Months Ended
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May 31, 2020
Condensed Financial Information Disclosure [Abstract] |
Quarterly Financial Information | The following is a summary of the unaudited quarterly results of operations for fiscal years 2020 and 2019 (in thousands, except for per share amounts):
Fiscal Year 2020 |  | 1st Quarter |  | 2nd Quarter |  | 3rd Quarter |  | 4th Quarter |  | Annual
Revenues |  | $ | 138,714 |  |  | $ | 142,593 |  |  | $ | 152,928 |  |  | $ | 156,131 |  |  | $ | 590,366 |
Gross profit |  | 15,336 |  |  | 15,514 |  |  | 20,047 |  |  | 24,091 |  |  | 74,988 |
Net income (loss) from continuing operations |  | (4,784) |  |  | (6,740) |  |  | (11,518) |  |  | (15,149) |  |  | (38,191) |
Net income (loss) applicable to common stockholders |  | (4,784) |  |  | (6,740) |  |  | (11,518) |  |  | (15,149) |  |  | (38,191) |
Net income (loss) per basic share from continuing operations |  | $ | (0.16) |  |  | $ | (0.23) |  |  | $ | (0.39) |  |  | $ | (0.52) |  |  | $ | (1.31) |
Net income (loss) per diluted share from continuing operations |  | $ | (0.16) |  |  | $ | (0.23) |  |  | $ | (0.39) |  |  | $ | (0.52) |  |  | $ | (1.31) |
Fiscal Year 2019 |  | 1st Quarter |  | 2nd Quarter |  | 3rd Quarter |  | 4th Quarter |  | Annual
Revenues |  | $ | 124,668 |  |  | $ | 124,557 |  |  | $ | 155,554 |  |  | $ | 152,780 |  |  | $ | 557,559 |
Gross profit |  | 16,337 |  |  | 16,885 |  |  | 21,569 |  |  | 26,212 |  |  | 81,003 |
Net income (loss) from continuing operations |  | 335 |  |  | (113) |  |  | 1,533 |  |  | 367 |  |  | 2,122 |
Net income (loss) applicable to common stockholders |  | 190 |  |  | (584) |  |  | 1,067 |  |  | (262) |  |  | 411 |
Net income (loss) per basic share from continuing operations |  | $ | 0.01 |  |  | $ | — |  |  | $ | 0.05 |  |  | $ | 0.01 |  |  | $ | 0.07 |
Net income (loss) per diluted share from continuing operations |  | $ | 0.01 |  |  | $ | — |  |  | $ | 0.05 |  |  | $ | 0.01 |  |  | $ | 0.07 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306 + Details
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