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

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32621-109319

Reference 2: 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=65882285&loc=d3e32559-109319

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Carryforwards
-URI http://asc.fasb.org/extlink&oid=6506874

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32632-109319

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Amount of operating loss 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=65882285&loc=d3e32559-109319

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Funds Received from Sale of Income Tax Net Operating Losses (Details Narrative) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Jan. 31, 2016	Dec. 31, 2014
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 166,000
Description of operating loss carryforwards	Expiring in the years 2018 through 2035.
Pennsylvania Division of Tax [Member]
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 36,000
Description of operating loss carryforwards	Expiring in the years 2018 through 2033.
New Jersey Division of Taxation [Member]
Income Tax Contingency [Line Items]
Net operating loss carryforwards	$ 29,000	$ 1,320	$ 16,000
Research and development credits	$ 241
Description of operating loss carryforwards	Expiring in the years 2034 and 2035.