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Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, plant and equipment consist of the following (in thousands):


	December 31, 2015			December 31, 2014
Leasehold improvements	$	13,306		$	9,108
Equipment		13,758			13,116
Furniture and fixtures		2,808			2,270
Construction in progress		425			3,848

Total property, plant and equipment		30,297			28,342
Less: accumulated depreciation		(16,496	)		(13,816	)

Property, plant and equipment, net	$	13,801		$	14,526

Depreciation is calculated using the straight-line method over the estimated useful life of the asset as follows:


Classification		Estimated Useful Life
Leasehold improvements		Shorter of the term of the lease or estimated useful life
Equipment		Three to eight years
Furniture and fixtures		Three to eight years