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Note 5 - Related Party License Agreements (Detail) (USD $)
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12 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2012
Original [Member]
BSC Neuro Agreement [Member]
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Dec. 31, 2012
Amended [Member]
BSC Neuro Agreement [Member]
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Dec. 31, 2012
BSC Neuro Agreement [Member]
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Dec. 31, 2012
BSC Cardiac Agreement [Member]
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Dec. 31, 2008
BSC Cardiac Agreement [Member]
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| Related Party Transaction, Maximum Amount of Milestone-Based Payments | $ 1,600,000 | $ 800,000 | ||||||
| Related Party Transaction, Potential Incentive Payments | 500,000 | |||||||
| Revenue from Related Parties | 3,346,374 | 2,600,000 | 2,600,000 | 746,000 | 13,000,000 | |||
| Related Party Transaction, Deferred Revenue Recognition Period | 5 years | |||||||
| Deferred Revenue, Current | $ 112,725 | $ 650,000 | ||||||
| X | ||||||||||
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- Definition
Related party transaction, deferred revenue recognition period. No definition available.
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| X | ||||||||||
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- Definition
Related party transaction, maximum amount of milestone-based payments from a related party. No definition available.
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| X | ||||||||||
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- Definition
Related party transaction, potential incentive payments from a related party for incremental development work. No definition available.
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| X | ||||||||||
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- Definition
The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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