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COMMITMENTS AND CONTINGENCIES (Details) | Sep. 30, 2014 participant
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Loss Contingencies [Line Items] |
Opponents in Legal Case | 3
Commitment With Executive Officers [Member] |
Loss Contingencies [Line Items] |
Number of executive officers under agreement | 6
Multiple of sum of average annual base salary and bonus agreement terms | 2

X
- Definition The multiple of the sum of the average annual base salary and bonus of the officer, which comprises the lump-sum cash payment to which each executive is entitled, under the agreement. + References No definition available. + Details
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Namespace Prefix: | oled_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of executive officers under agreement. + References No definition available. + Details
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Namespace Prefix: | oled_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Opponents in Legal Case + References No definition available. + Details
Name: | oled_OpponentsinLegalCase
Namespace Prefix: | oled_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration