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Restructuring (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 USD ($) position | Dec. 31, 2016 USD ($)
Total termination charges |  | $ 700
Severance benefits and other one-time termination costs |  | 600
Cash expenditures | $ 600 |
Restructuring charges |  |
Restructuring charge |  | 676
Non-cash settlements |  | (46)
Cash payments |  | (625)
Balance at the end of the period |  | 5
Workforce reduction |  |
Restructuring charges |  |
Restructuring charge |  | 561
Cash payments |  | (561)
Facility related and other termination costs |  |
Restructuring charges |  |
Restructuring charge |  | 115
Non-cash settlements |  | (46)
Cash payments |  | (64)
Balance at the end of the period |  | $ 5
United States |  |
Number of positions/employees terminated | position | 12 |
Hyderabad, India |  |
Number of positions/employees terminated | position | 18 |

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