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FAIR VALUE MEASUREMENTS (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
FAIR VALUE MEASUREMENTS |  |
Municipal bonds and money market funds | $ 509 | $ 20,173
Gearing |  |
FAIR VALUE MEASUREMENTS |  |
Impairment to identifiable intangible assets | 0 |
Services |  |
FAIR VALUE MEASUREMENTS |  |
Impairment to identifiable intangible assets | 0 |
Level 2 |  |
FAIR VALUE MEASUREMENTS |  |
Total assets at fair value |  | 11,429
Level 3 |  |
FAIR VALUE MEASUREMENTS |  |
Total assets at fair value | 2,077 | 1,298
Total |  |
FAIR VALUE MEASUREMENTS |  |
Total assets at fair value | 2,077 | 12,727
Recurring | Level 2 | Municipal bonds and money market funds |  |
FAIR VALUE MEASUREMENTS |  |
Municipal bonds and money market funds |  | 11,429
Recurring | Total | Municipal bonds and money market funds |  |
FAIR VALUE MEASUREMENTS |  |
Municipal bonds and money market funds |  | 11,429
Nonrecurring | Level 3 | Gearing |  |
FAIR VALUE MEASUREMENTS |  |
Property plant and equipment at fair value | 817 |
Nonrecurring | Level 3 | Clintonville Facility |  |
FAIR VALUE MEASUREMENTS |  |
Property plant and equipment at fair value | 700 | 738
Nonrecurring | Level 3 | Cicero Avenue | Gearing |  |
FAIR VALUE MEASUREMENTS |  |
Property plant and equipment at fair value | 560 | 560
Nonrecurring | Total | Gearing |  |
FAIR VALUE MEASUREMENTS |  |
Property plant and equipment at fair value | 817 |
Nonrecurring | Total | Clintonville Facility |  |
FAIR VALUE MEASUREMENTS |  |
Property plant and equipment at fair value | 700 | 738
Nonrecurring | Total | Cicero Avenue | Gearing |  |
FAIR VALUE MEASUREMENTS |  |
Property plant and equipment at fair value | $ 560 | $ 560

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