Note 3. Balance Sheet Detail

	June 30, 2015		December 31, 2014
	(in thousands)
Inventories:
Work-in-process	$	1,159	$	651
Finished goods	101		230

	$	1,260	$	881

Identifiable intangible assets relating to business combinations and a patent license were (dollar amounts in thousands):

	June 30, 2015
	Life (years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Developed technology	3-5	$	9,240	$	9,240	$	—
Patent license	7	780		390		390

Total		$	10,020	$	9,630	$	390

	December 31, 2014
	Life (years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Developed technology	3-5	$	9,240	$	9,031	$	209
Patent license	7	780		334		446

Total		$	10,020	$	9,365	$	655

Intangible assets acquired in business combinations, referred to as purchased intangible assets, are accounted for based on the fair value of assets purchased and are amortized over the period in which economic benefit is estimated to be received. The net carrying value of identifiable assets has been included in the other assets line item in the condensed consolidated balance sheets. Amortization expense has been included in research and development expense in the condensed consolidated statements of operations and comprehensive loss. The estimated aggregate amortization expense to be recognized in future years is less than $0.1 million for the remainder of 2015 and $0.1 million annually for 2016 through 2018.