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Note 12 - Quarterly Consolidated Financial Information (unaudited) (Tables) | 12 Months Ended
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May. 31, 2015
Notes Tables |
Schedule of Quarterly Financial Information [Table Text Block] |
FY 2015 |  | 1st Quarter |  |  | 2 nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |  |  | FY 2015 |
Revenues |  | $ | 133,614 |  |  | $ | 132,665 |  |  | $ | 138,530 |  |  | $ | 134,448 |  |  | $ | 539,257 |
Gross profit |  | $ | 14,188 |  |  | $ | 15,666 |  |  | $ | 16,885 |  |  | $ | 18,668 |  |  | $ | 65,407 |
Net income |  | $ | 2,353 |  |  | $ | 3,223 |  |  | $ | 3,772 |  |  | $ | 4,196 |  |  | $ | 13,544 |
Net income per basic share |  | $ | 0.09 |  |  | $ | 0.12 |  |  | $ | 0.14 |  |  | $ | 0.16 |  |  | $ | 0.50 |
Net income per diluted share |  | $ | 0.09 |  |  | $ | 0.12 |  |  | $ | 0.14 |  |  | $ | 0.15 |  |  | $ | 0.50 |
FY 2014 |  | 1st Quarter |  |  | 2 nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |  |  | FY 2014 |
Revenues |  | $ | 109,479 |  |  | $ | 120,026 |  |  | $ | 126,379 |  |  | $ | 120,929 |  |  | $ | 476,813 |
Gross profit |  | $ | 12,532 |  |  | $ | 13,734 |  |  | $ | 20,155 |  |  | $ | 16,143 |  |  | $ | 62,564 |
Net income |  | $ | 4,752 |  |  | $ | 3,451 |  |  | $ | 6,400 |  |  | $ | 4,542 |  |  | $ | 19,145 |
Net income per basic share |  | $ | 0.18 |  |  | $ | 0.13 |  |  | $ | 0.24 |  |  | $ | 0.17 |  |  | $ | 0.72 |
Net income per diluted share |  | $ | 0.18 |  |  | $ | 0.13 |  |  | $ | 0.24 |  |  | $ | 0.17 |  |  | $ | 0.71 |
FY 2013 |  | 1st Quarter |  |  | 2 nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |  |  | FY 2013 |
Revenues |  | $ | 102,074 |  |  | $ | 114,654 |  |  | $ | 117,867 |  |  | $ | 107,113 |  |  | $ | 441,708 |
Gross profit |  | $ | 13,763 |  |  | $ | 18,459 |  |  | $ | 17,508 |  |  | $ | 13,030 |  |  | $ | 62,760 |
Net income (loss) |  | $ | 4,366 |  |  | $ | 8,913 |  |  | $ | 4,789 |  |  | $ | 4,519 |  |  | $ | 22,587 |
Net income (loss) per basic share |  | $ | 0.17 |  |  | $ | 0.35 |  |  | $ | 0.19 |  |  | $ | 0.17 |  |  | $ | 0.87 |
Net income (loss) per diluted share |  | $ | 0.17 |  |  | $ | 0.34 |  |  | $ | 0.18 |  |  | $ | 0.17 |  |  | $ | 0.85 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=51825399&loc=d3e1280-108306 + Details
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