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Restructuring (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2016 USD ($) employee position	Sep. 30, 2016 USD ($)
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		(610)
Balance at the end of the period		20
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		(49)
Balance at the end of the period		$ 20
United States
Number of positions/employees terminated | position	12
Hyderabad, India
Number of positions/employees terminated | employee	18

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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