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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2018

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, 2018 and 2017 is as follows:

		2018				2017
Income tax credit at statutory rates		$	(437	)		$	(268	)
Nondeductible expenses			4				2
State income tax, net of federal benefits			(156	)			(45	)
Expiration of NOL			1,559				—
Effect of US tax rate change			—				9,284
Expiration of stock options			180				188
Change in valuation allowance			(1,148	)			(9,161	)
		$	—			$	—

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,
		2018				2017
Deferred tax assets:
Net operating loss carryforwards		$	22,560			$	23,520
Inventory and other allowances			35				12
Charitable contribution carryforwards			2				2
Excess (tax) book depreciation			524				577
Excess (tax) book amortization			57				53
Share-based compensation			749				885
Other accrued costs			141				167
Total deferred tax assets			24,068				25,216
Less: Valuation allowance			(24,068	)			(25,216	)
Deferred income taxes		$	—			$	—

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- References

No definition available.

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- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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