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Research and Development Grant (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Research and Development Grant
R&D tax incentive refund	$ 5,863	$ 744	$ 5,863
Period for review of program		4 years

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- References

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- Definition

Represents the period of time that government agency has right to review the qualifying programs and expenditures.

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- Definition

A tax incentive credit or grant from a government or taxing authority for research and development activity.

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