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Business Combinations - Pro Forma Information (Details) - OMT, Inc. - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 07, 2016 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015
Business Acquisition [Line Items] |  |  |  |  |
Revenue |  | $ 38,185 | $ 24,571 | $ 111,449 | $ 80,365
Net (loss) income |  | $ (3,126) | $ 5,888 | $ 632 | $ 222,788
Basic (loss) income per share (in USD per share): |  | $ (0.15) | $ 0.30 | $ 0.03 | $ 11.26
Diluted (loss) income per share (in USD per share): |  | $ (0.15) | $ 0.27 | $ 0.03 | $ 10.50
Pro forma adjustment for share-based compensation expense |  |  | $ 300 |  | $ 900
Pro forma adjustment for additional amortization of intangible assets |  |  | $ 2,100 |  | 6,300
Pro forma adjustment for platform license fee paid |  |  |  |  | $ 3,000
Pro forma adjustment for revenue of OMT, Inc. prior to acquisition date | $ 2,500 |  |  |  |

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