Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Income Tax Disclosure [Abstract]

Schedule of reconciliation of income tax expense by applying federal income tax rate to loss before provision for income taxes

A reconciliation of income tax expense to the amount computed by applying the Federal income tax rate to loss before provision for income taxes as of December 31, 2016 and 2015 is as follows:

	2016			2015
Income tax credit at statutory rates	$	(436	)	$	(405	)
Nondeductible expenses		2			3
State income tax, net of federal benefits		(66	)		(61	)
Other		144			(3	)
Increase in valuation allowance		356			466
	$	—		$	—

Schedule of significant components of deferred income taxes

Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of our deferred income taxes consist of the following:

	As of December 31,
	2016			2015
Deferred tax assets:
Net operating loss carryforwards	$	31,935		$	31,590
Inventory and other allowances		16			28
Charitable contribution carryforwards		5			6
Excess (tax) book depreciation		805			709
Excess (tax) book amortization		69			67
Share-based compensation		1,328			1,396
Other accrued costs		219			225
Total deferred tax assets		34,377			34,021
Less: Valuation allowance		(34,377	)		(34,021	)
Deferred income taxes	$	—		$	—