Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Income Tax Disclosure [Abstract]

Schedule of (loss) before income taxes and the provision for income taxes

Loss before income taxes:	2012		2011		2010
United States	$	(30,399,000)	$	(25,483,000)	$	(38,567,000)
Foreign	(1,463,000)		(1,971,000)		(8,392,000)
	$	(31,862,000)	$	(27,454,000)	$	(46,959,000)

Schedule of effective income tax rate differed from the federal statutory rate

	2012			2011	2010
U.S. Federal statutory tax rate		(35.0%)		(35.0%)	(35.0%)
Deferred state taxes, net of federal benefit		(3.3%)		(3.1%)	(2.4%)
Common stock warrant liability		(5.3%)		(4.4%)	0.0%
Other, net			0.1%	0.6%	(2.7%)
Change to uncertain tax positions		(1.6%)		(57.5%)	1.6%
Foreign tax rate differential			0.5%	0.8%	2.2%
Expiring attribute carryforward			0.0%	5.4%	1.2%
Adjustments to open deferred tax balance		(5.8%)		(1.7%)	0.3%
Writeoff of tax attributes due to imposition of Section
382 limitation		165.7%		840.9%	0.0%
Tax credits			0.0%	(0.3%)	(0.6%)
Change in valuation allowance		(115.3%)		(745.7%)	35.4%
			0.0%	0.0%	0.0%

Schedule of deferred tax assets and liabilities

	U.S.				Foreign
	Years ended December 31,				Years ended December 31,
	2012		2011		2012		2011
Intangible assets	$	130,000	$	200,000	$	694,000	$	325,000
Non-employee stock based compensation	(1,556,000)		(1,556,000)		-		-
Deferred revenue	2,779,000		2,106,000		-		-
Other reserves and accruals	1,621,000		1,121,000		-		-
Research and development tax credit carryforwards			74,000		1,569,000		1,533,000
Property, plant and equipment	1,541,000		1,127,000		541,000		529,000
Amortization of stock-based compensation	8,495,000		7,900,000		-		-
Capitalized research & development expenditures	15,846,000		15,162,000		5,384,000		4,760,000
Section 382 recognized built in loss	(15,202,000)		(1,819,000)		-		-
Net operating loss carryforwards	3,347,000		30,271,000		3,541,000		3,462,000
Total deferred tax asset	17,001,000		54,586,000		11,729,000		10,609,000
Valuation allowance	(17,001,000)		(54,586,000)		(11,729,000)		(10,609,000)
Net deferred tax assets	$	-	$	-	$	-	$	-

Summary of valuation allowance

	Total		U.S.		Foreign
Increase in valuation allowance for current year increase in net operating losses:	$	(2,000)	$	-	$	(2,000)
Decrease in valuation allowance for 382 limitations on tax attributes:	(26,924,000)		(26,924,000)		-
Increase in valuation allowance for current year net decrease in deferred tax
assets other than net operating losses:	(10,288,000)		(10,661,000)		373,000
Increase in valuation allowance as a result of foreign currency fluctuation	246,000		-		246,000
Increase in valuation allowance due to current year change of deferred tax assets
as the result of uncertain tax positions.	503,000		-		503,000
Net (decrease) increase in valuation allowance	$	(36,465,000)	$	(37,585,000)	$	1,120,000

Schedule of beginning and ending amount of unrecognized tax benefits

	2012		2011		2010
Unrecognized tax benefits balance at beginning of year	$	2,046,000	$	17,893,000	$	18,570,000
Reductions for tax positions of prior years	(503,000)		(15,875,000)		(716,000)
Currency Translation	36,000		28,000		39,000
Unrecognized tax benefits balance at end of year	$	1,579,000	$	2,046,000	$	17,893,000

United States

Income Taxes [Line Items]

Schedule of components of deferred income tax expense (benefit)

	2012		2011		2010
Deferred tax expense (benefit)	$	10,661,000	$	17,774,000	$	(652,000)
Net operating loss carryforward expired (generated)	26,924,000		187,597,000		(14,168,000)
Valuation allowance (decrease) increase	(37,585,000)		(205,371,000)		14,820,000
Provision for Income taxes	$	-	$	-	$	-

Foreign

Income Taxes [Line Items]

Schedule of components of deferred income tax expense (benefit)

	2012		2011		2010
Deferred tax benefit	$	(1,041,000)	$	(1,268,000)	$	(823,000)
Net operating loss carryforward expired (generated)	(79,000)		496,000		(1,081,000)
Valuation allowance increase	1,120,000		772,000		1,904,000
Provision for Income taxes	$	-	$	-	$	-