Consolidated Balance Sheets and Statements of Operations and Comprehensive Loss Components (Tables)

12 Months Ended

Dec. 31, 2017

Consolidated Balance Sheets and Statements of Operations and Comprehensive Loss Components

Schedule of inventory prepaid expenses and other current assets and property and equipment

	December 31,
	2017		2016
	(in thousands)
Inventories:
Work-in-process	$	1,612	$	1,270
Finished goods		154		181
	$	1,766	$	1,451
Prepaid expenses and other:
Prepaid IC material and production costs	$	1,107	$	3
Prepaid insurance		115		116
Prepaid software		38		250
Interest receivable		—		17
Other		87		87
	$	1,347	$	473
Property and equipment, net:
Equipment, furniture and fixtures and leasehold improvements	$	4,478	$	5,906
Acquired software		296		304
		4,774		6,210
Less: Accumulated depreciation and amortization		(3,947)		(4,936)
	$	827	$	1,274

Schedule of identifiable intangible assets

Identifiable intangible assets were (dollar amounts in thousands):

	December 31, 2017
		Gross				Net
	Life	Carrying		Accumulated		Carrying
	(years)	Amount		Amortization		Amount
Patent license	7		$ 780		$ 669		$ 111

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

Schedule of accrued expenses and other

	December 31,
	2017		2016
	(in thousands)
Accrued wages and employee benefits	$	616	$	1,051
Accrued restructuring liabilities		478		5
Interest payable		346		314
IC development and wafer purchase costs		335		598
Professional fees, legal and consulting		182		282
Corporate taxes		153		52
Employee stock purchase plan withholdings		—		200
Other		397		—
	$	2,507	$	2,502