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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Nov. 30, 2015 | Nov. 30, 2014 | Nov. 30, 2015 | Nov. 30, 2014
Statement of Comprehensive Income [Abstract] |  |  |  |
Net Income (loss) | $ (362) | $ 1,338 | $ (1,119) | $ 1,808
Other comprehensive income (loss), before tax: |  |  |  |
Unrealized gain (loss) on interest rate swap | 90 | (25) | 156 | 156
Unrealized gain (loss) on marketable securities | (29) | 29 | (25) | (112)
Foreign currency translation gain (loss) | (347) | (104) | (438) | (104)
Other comprehensive income (loss), before tax | (286) | (100) | (307) | (60)
Income tax (expense) benefit related to items of other comprehensive income | (22) | (1) | (47) | (16)
Other comprehensive income (loss), net of tax | (308) | (101) | (354) | (76)
Total comprehensive income (loss), net of tax | $ (670) | $ 1,237 | $ (1,473) | $ 1,732

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