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Note 12 - Quarterly Consolidated Financial Information (Unaudited) (Tables) | 12 Months Ended
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May 27, 2018
Notes Tables |
Quarterly Financial Information [Table Text Block] |
Fiscal Year 2018 |  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |  |  | Annual |
Revenues |  | $ | 115,781 |  |  | $ | 122,461 |  |  | $ | 144,909 |  |  | $ | 141,076 |  |  | $ | 524,227 |
Gross profit |  | $ | 18,802 |  |  | $ | 14,921 |  |  | $ | 19,806 |  |  | $ | 24,809 |  |  | $ | 78,338 |
Net income from continuing operations |  | $ | 2,355 |  |  | $ | 414 |  |  | $ | 16,281 |  |  | $ | 6,711 |  |  | $ | 25,761 |
Net income applicable to common stockholders |  | $ | 2,146 |  |  | $ | 487 |  |  | $ | 16,088 |  |  | $ | 6,108 |  |  | $ | 24,829 |
Net income per basic share from continuing operations |  | $ | 0.08 |  |  | $ | 0.02 |  |  | $ | 0.59 |  |  | $ | 0.24 |  |  | $ | 0.93 |
Net income per diluted share from continuing operations |  | $ | 0.08 |  |  | $ | 0.02 |  |  | $ | 0.58 |  |  | $ | 0.24 |  |  | $ | 0.92 |
Fiscal Year 2017 |  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |  |  | 4th Quarter |  |  | Annual |
Revenues |  | $ | 109,055 |  |  | $ | 110,164 |  |  | $ | 129,292 |  |  | $ | 121,265 |  |  | $ | 469,776 |
Gross profit |  | $ | 20,116 |  |  | $ | 17,103 |  |  | $ | 22,873 |  |  | $ | 19,120 |  |  | $ | 79,212 |
Net income from continuing operations |  | $ | 3,183 |  |  | $ | 765 |  |  | $ | 3,591 |  |  | $ | 2,596 |  |  | $ | 10,135 |
Net income applicable to common stockholders |  | $ | 3,312 |  |  | $ | 1,326 |  |  | $ | 3,500 |  |  | $ | 2,452 |  |  | $ | 10,590 |
Net income per basic share from continuing operations |  | $ | 0.12 |  |  | $ | 0.03 |  |  | $ | 0.13 |  |  | $ | 0.09 |  |  | $ | 0.37 |
Net income per diluted share from continuing operations |  | $ | 0.11 |  |  | $ | 0.03 |  |  | $ | 0.13 |  |  | $ | 0.09 |  |  | $ | 0.36 |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] |
Fiscal Year 2018 |  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |
Cash provided by (used in) operating activities: |  |  |  |  |  |  |  |  |  |  |  |
As Reported |  | $ | (131 | ) |  | $ | 4,330 |  |  | $ | 18,098 |
Adjustment |  |  | 3,581 |  |  |  | 2,006 |  |  |  | 2,202 |
Restated |  | $ | 3,450 |  |  | $ | 6,336 |  |  | $ | 20,300 |
Cash used in investing activities: |  |  |  |  |  |  |  |  |  |  |  |
As Reported |  | $ | (3,288 | ) |  | $ | (9,457 | ) |  | $ | (20,544 | )
Adjustment |  |  | (3,581 | ) |  |  | (2,006 | ) |  |  | (2,202 | )
Restated |  | $ | (6,869 | ) |  | $ | (11,463 | ) |  | $ | (22,746 | )
Fiscal Year 2017 |  | 1st Quarter |  |  | 2nd Quarter |  |  | 3rd Quarter |
Cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |
As Reported |  | $ | 6,467 |  |  | $ | 5,527 |  |  | $ | 23,181 |
Adjustment |  |  | 3,502 |  |  |  | 4,185 |  |  |  | 3,445 |
Restated |  | $ | 9,969 |  |  | $ | 9,712 |  |  | $ | 26,626 |
Cash used in investing activities: |  |  |  |  |  |  |  |  |  |  |  |
As Reported |  | $ | (2,122 | ) |  | $ | (4,724 | ) |  | $ | (9,414 | )
Adjustment |  |  | (3,502 | ) |  |  | (4,185 | ) |  |  | (3,445 | )
Restated |  | $ | (5,624 | ) |  | $ | (8,909 | ) |  | $ | (12,859 | )

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