Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of identifiable intangible assets

Identifiable intangible assets are as follows (in thousands):

		December 31, 2013
	Estimated Useful  Life	Gross		Accumulated Amortization		Net
Technology-based intangible assets	N/A	$	—	$	—	$	—
Total intangible assets		$	—	$	—	$	—

		December 31, 2014
	Estimated Useful  Life	Gross		Accumulated Amortization		Net
Technology-based intangible assets	Not yet determined	$	2,680	$	—	$	2,680
Total intangible assets		$	2,680	$	—	$	2,680