Balance Sheet Detail (Tables)

3 Months Ended

Mar. 31, 2017

Balance Sheet Detail

Schedule of inventory

	March 31,		December 31,
	2017		2016
	(in thousands)
Inventories:
Work-in-process	$	856	$	1,270
Finished goods		199		181
	$	1,055	$	1,451

Schedule of identifiable intangible assets

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

	March 31, 2017
		Gross				Net
	Life	Carrying		Accumulated		Carrying
	(years)	Amount		Amortization		Amount
Patent license	7		$ 780		$ 585		$ 195

	December 31, 2016
		Gross				Net
	Life	Carrying		Accumulated		Carrying
	(years)	Amount		Amortization		Amount
Patent license	7		$ 780		$ 557		$ 223