Balance Sheet Detail

3 Months Ended

Mar. 31, 2016

Note 3. Balance Sheet Detail

	March 31, 2016		December 31, 2015
	(in thousands)
Inventories:
Work-in-process	$	1,378	$	1,478
Finished goods	90		119

	$	1,468	$	1,597

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

	March 31, 2016
	Life (years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Patent license	7	$	780	$	474	$	306

	December 31, 2015
	Life (years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Patent license	7	$	780	$	446	$	334

The net carrying value of the patent license 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 2016 and $0.1 million annually for 2017 and 2018.