Loss limitation ownership change benchmark amount in regards to any losses incurred prior to such date.

No definition available.

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- Definition

Operating Loss Carryforward, Annual Limitations

+ References

No definition available.

+ Details

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

+ Details

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- Definition

The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Carryforwards

-URI http://asc.fasb.org/extlink&oid=6506874

+ Details

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
Income Taxes (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2007	Dec. 31, 2002	Dec. 31, 2012
Operating Loss Carryforwards [Line Items]
Loss limitation ownership change benchmark amount			$ 762,000	$ 64,000
Unrecognized tax benefits, gross	1,006,000us-gaap_UnrecognizedTaxBenefits	581,000us-gaap_UnrecognizedTaxBenefits			207,000us-gaap_UnrecognizedTaxBenefits
Annual limitation of operating loss carryforwards	0.50	6,700,000
Employee stock option
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	31,300,000
Domestic tax authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	192,600,000	117,500,000
Tax credit carryforward	6,100,000
State and local jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 156,900,000	$ 106,000,000