Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of identifiable intangible assets

Identifiable intangible assets are as follows (in thousands):

		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
		March 31, 2015
	Estimated Useful Life	Gross		Accumulated Amortization		Net
Technology-based intangible assets	Not yet determined	$	3,332	$	—	$	3,332
Total intangible assets		$	3,332	$	—	$	3,332