Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Accumulated Other Comprehensive Income

	Accumulated Other Comprehensive Income as of December 31, 2013		Current Period Unrealized Loss			Impairment (Gain) Loss Recognized on Investment in Global			Accumulated Other Comprehensive Income as of December 31, 2014
Investment in Global	$	7,605	$	(9,209	)	$	1,604		$	—
Foreign Currency Translation Adjustments		1,215		(548	)		(667	)		—
	$	8,820	$	(9,757	)	$	937		$	—

Future Minimum Capital Lease Payments

Year Ending December 31,
2015	$	572
2016		173
Total minimum lease payments		745
Less: Amount representing interest (1)		(141	)
Present value of minimum lease payments	$	604

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(1) Amount to reduce minimum lease payments to fair value as calculated by the imputed interest rate at lease inception since the present value of the minimum lease payments as calculated by the incremental borrowing rate exceeded fair value at inception of the leases.

Estimated Future Annual Patent Amortization

Year		Amount
	2015	$	191
	2016		183
	2017		170
	2018		75
	2019		75
	Thereafter		768
	Total	$	1,462