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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member] | Series A Nonconvertible Preferred Stock [Member] Preferred Stock [Member]
--- | --- | --- | --- | --- | --- | --- | ---
BALANCE at Dec. 31, 2011 | $ 342,227,000 us-gaap_StockholdersEquity | $ 461,000 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 561,492,000 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (213,871,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ (5,857,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ 0 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ 2,000 us-gaap_StockholdersEquity / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
BALANCE (in shares) at Dec. 31, 2011 |  | 46,113,296 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  | 0 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 200,000 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
Increase (Decrease) in Shareholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 9,660,000 us-gaap_NetIncomeLoss |  |  | 9,660,000 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |  |
Other comprehensive income | 155,000 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  |  |  | 155,000 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Repurchase of common stock (in shares) |  |  |  |  |  | 205,902 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
Repurchase of common stock | (5,202,000)us-gaap_StockRepurchasedDuringPeriodValue |  |  |  |  | (5,202,000)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
Exercise of common stock options and warrants, net of tendered shares (in shares) |  | 222,549 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Exercise of common stock options, net of tendered shares | 855,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue | 2,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 853,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Stock Issued During Period, Shares Share Based Compensation, Net of Shares withheld for employee taxes |  | 170,584 oled_StockIssuedDuringPeriodSharesShareBasedCompensationNetOfSharesWithheldForEmployeeTaxes / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Stock Issued During Period, Value Share Based Compensation, Net of Shares witthheld for employee taxes | 1,125,000 oled_StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWitthheldForEmployeeTaxes | 2,000 oled_StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWitthheldForEmployeeTaxes / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,123,000 oled_StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWitthheldForEmployeeTaxes / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Issuance of common stock to Board of Directors and Scientific Advisory Board (in shares) |  | 43,341 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Issuance of common stock to Board of Directors and Scientific Advisory Board | 1,094,000 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue | 0 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,094,000 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Issuance of common stock to employees under an Employee Stock Purchase Plan (ESPP) (in shares) |  | 11,667 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Issuance of common stock to employees under an ESPP | 321,000 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan | 0 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 321,000 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
BALANCE at Dec. 31, 2012 | 350,235,000 us-gaap_StockholdersEquity | 465,000 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 564,883,000 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (204,211,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | (5,702,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | (5,202,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 2,000 us-gaap_StockholdersEquity / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
BALANCE (in shares) at Dec. 31, 2012 |  | 46,561,437 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  | 205,902 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 200,000 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
Increase (Decrease) in Shareholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 74,052,000 us-gaap_NetIncomeLoss |  |  | 74,052,000 us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |  |  |
Other comprehensive income | 1,334,000 us-gaap_OtherComprehensiveIncomeLossNetOfTax |  |  |  | 1,334,000 us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Repurchase of common stock (in shares) |  |  |  |  |  | 195,599 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
Repurchase of common stock | (5,456,000)us-gaap_StockRepurchasedDuringPeriodValue |  |  |  |  | (5,456,000)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
Exercise of common stock options and warrants, net of tendered shares (in shares) |  | 223,714 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Exercise of common stock options, net of tendered shares | 2,558,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue | 2,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 2,556,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Stock Issued During Period, Shares Share Based Compensation, Net of Shares withheld for employee taxes |  | (13,502)oled_StockIssuedDuringPeriodSharesShareBasedCompensationNetOfSharesWithheldForEmployeeTaxes / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Stock Issued During Period, Value Share Based Compensation, Net of Shares witthheld for employee taxes | 3,519,000 oled_StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWitthheldForEmployeeTaxes | 0 oled_StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWitthheldForEmployeeTaxes / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 3,519,000 oled_StockIssuedDuringPeriodValueShareBasedCompensationNetOfSharesWitthheldForEmployeeTaxes / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Issuance of common stock to Board of Directors and Scientific Advisory Board (in shares) |  | 39,153 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Issuance of common stock to Board of Directors and Scientific Advisory Board | 1,101,000 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue | 1,000 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,100,000 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Issuance of common stock to employees under an Employee Stock Purchase Plan (ESPP) (in shares) |  | 14,366 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Issuance of common stock to employees under an ESPP | 343,000 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan | 0 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 343,000 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
BALANCE at Dec. 31, 2013 | 427,686,000 us-gaap_StockholdersEquity | 468,000 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 572,401,000 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (130,159,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | (4,368,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | (10,658,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 2,000 us-gaap_StockholdersEquity / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
BALANCE (in shares) at Dec. 31, 2013 |  | 46,825,168 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  | 401,501 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 200,000 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
Increase (Decrease) in Shareholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income | 41,854,000 us-gaap_NetIncomeLoss |  |  |  |  |  |
Other comprehensive income | (14,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax |  |  |  | (14,000)us-gaap_OtherComprehensiveIncomeLossNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |  |
Repurchase of common stock (in shares) |  |  |  |  |  | 956,362 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
Repurchase of common stock | (29,500,000)us-gaap_StockRepurchasedDuringPeriodValue |  |  |  |  | (29,500,000)us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember |
Exercise of common stock options and warrants, net of tendered shares (in shares) |  | 184,798 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Exercise of common stock options, net of tendered shares | 1,887,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue | 3,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,884,000 oled_ExerciseOfCommonStockOptionsAndWarrantsNetOfTenderedSharesValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Issuance of common stock to employees (shares) |  | 83,834 us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Issuance of common stock to employees, net of shares withheld for employee taxes | 8,027,000 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation | 1,000 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 8,026,000 us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Shares withheld for employee taxes (shares) |  | 83,831 us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Shares withheld for employee taxes | (2,844,000)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation | (1,000)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | (2,843,000)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Issuance of common stock to Board of Directors and Scientific Advisory Board (in shares) |  | 39,484 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Issuance of common stock to Board of Directors and Scientific Advisory Board | 1,318,000 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue | 0 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1,318,000 oled_IssuanceOfCommonStockToBoardOfDirectorsAndScientificAdvisoryBoardValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
Issuance of common stock to employees under an Employee Stock Purchase Plan (ESPP) (in shares) |  | 12,373 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |  |
Issuance of common stock to employees under an ESPP | 328,000 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan | 0 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 328,000 us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |  |  |
BALANCE at Dec. 31, 2014 | $ 448,742,000 us-gaap_StockholdersEquity | $ 471,000 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | $ 581,114,000 us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (88,305,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember | $ (4,382,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember | $ (40,158,000)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ 2,000 us-gaap_StockholdersEquity / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember
BALANCE (in shares) at Dec. 31, 2014 |  | 47,061,826 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  | 1,357,863 us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 200,000 us-gaap_SharesOutstanding / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesAPreferredStockMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember

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