Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Taxes Tables

Schedule of Tax Effects of Temporary Differences that Give Rise to Significant Portions of Deferred Tax Assets and Liabilities

Deferred tax assets are summarized as follows:

		December 31,
		2014		2013
Deferred tax assets, current
Reserves	$	2,526,000	$	2,994,000
Other		617,000		621,000
Total gross deferred tax assets, current		3,143,000		3,615,000
Deferred tax assets, noncurrent
Net operating loss carryforwards		116,520,000		111,339,000
R&D credit carryforwards		6,520,000		6,277,000
Depreciation/amortization deferred		22,642,000		24,526,000
Other		7,846,000		7,544,000
Total gross deferred tax assets, noncurrent		153,528,000		149,686,000
Net deferred taxes before valuation allowance		156,671,000		153,301,000
Less: Valuation allowance		(156,671,000)		(153,301,000)
Deferred tax assets	$	-	$	-