Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of income before income tax, domestic and foreign

For financial reporting purposes, loss from continuing operations before provision for income taxes includes the following (in thousands):

Year ended December 31:	2016			2015			2014
United States	$	(8,499	)	$	(3,308	)	$	(7,993	)
Foreign	(2,816		)	(629		)	(4,672		)
Loss from continuing operations before provision for income taxes	$	(11,315	)	$	(3,937	)	$	(12,665	)

Provision for income taxes

The provision (benefit) for income taxes consists of the following (in thousands):

Year ended December 31:	2016		2015		2014
Current:
State	$	4	$	49	$	(89	)
Foreign	318		144		68
Total current	322		193		(21		)
Deferred:
Foreign	—		2,678		1,894
Total deferred	—		2,678		1,894
Provision for income taxes	$	322	$	2,871	$	1,873

Schedule of effective income tax rate reconciliation

The income tax provision differs from the amount computed by applying the federal statutory income tax rate as follows:

Year ended December 31:	2016		2015		2014
Income tax provision, at statutory federal rate	34	%	34	%	34	%
State and local income taxes, net of federal income taxes effect	3		4		3
Permanent differences	(1	)	(4	)	(1	)
Foreign taxes at rates different than domestic rates	(2	)	(1	)	(3	)
Expired capital loss carryforwards	—		(880	)	—
Change in tax rates	(12	)	—		—
Change in valuation allowance	(23	)	775		(47	)
Other adjustments	(2	)	(1	)	(1	)
Effective tax rate	(3	)%	(73	)%	(15	)%

Components of deferred income taxes

The components of deferred income taxes consist of the following (in thousands):

December 31:	2016			2015
Deferred tax assets:
Net operating losses	$	92,176		$	91,893
Allowance for doubtful accounts	118			365
Inventory reserve	2,413			3,161
Accrued liabilities	2,397			2,794
Other	4,162			4,697
Total deferred tax assets	101,266			102,910
Valuation allowance	(100,810		)	(102,747		)
Net deferred tax assets	456			163
Deferred tax liabilities:
Depreciation and amortization	(456		)	(163		)
Total deferred tax liabilities	(456		)	(163		)
Total deferred income taxes	$	—		$	—

Summary of valuation allowance

The change in the valuation allowance is as follows (in millions):

December 31:	2016			2015			2014
Balance at beginning of period	$	(103	)	$	(139	)	$	(133	)
(Increase) decrease in valuation allowance	2			36			(6		)
Balance at end of period	$	(101	)	$	(103	)	$	(139	)

Schedule of unrecognized tax benefits roll forward

A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows (in thousands):

December 31:	2016			2015			2014
Balance at beginning of period	$	(81	)	$	(100	)	$	(134	)
Reductions related to prior year positions	43			19			34
Balance at end of period	$	(38	)	$	(81	)	$	(100	)