Note 19 - Income Taxes (Details) - Geographic Breakdown of (Loss) Income Before Income Taxes - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
May. 31, 2015 |
May. 31, 2014 |
May. 31, 2013 |
|
| Note 19 - Income Taxes (Details) - Geographic Breakdown of (Loss) Income Before Income Taxes [Line Items] | |||
| (Loss) income before income taxes | $ (45,125) | $ (198,173) | $ (63,708) |
| UNITED STATES | |||
| Note 19 - Income Taxes (Details) - Geographic Breakdown of (Loss) Income Before Income Taxes [Line Items] | |||
| (Loss) income before income taxes | (57,043) | (210,354) | (74,451) |
| Foreign Countries [Member] | |||
| Note 19 - Income Taxes (Details) - Geographic Breakdown of (Loss) Income Before Income Taxes [Line Items] | |||
| (Loss) income before income taxes | $ 11,918 | $ 12,181 | $ 10,743 |