The amount excess of achievement of US net sales.

No definition available.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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- Definition

Amount of allowance for credit loss on accounts receivable, classified as current.

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- Definition

Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019
Revenue from Contract with Customer, Including Assessed Tax	$ 15,126	$ 5,613	$ 9,966	$ 4,281	$ 3,238	$ 5,317	$ 3,878	$ 3,189	$ 34,986	$ 15,622	$ 11,698
Accounts Receivable, after Allowance for Credit Loss, Current, Total	15,976				3,803				15,976	3,803
Restricted Cash and Cash Equivalents, Noncurrent, Total	3,016				1,534				3,016	1,534	1,522
Accounts Receivable, Allowance for Credit Loss, Current	0				0				0	0
Goodwill, Impairment Loss									0	0
Impairment of Intangible Assets (Excluding Goodwill), Total									0	0
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)										23,200
Operating Lease, Liability, Total	15,604								15,604
Operating Lease, Right-of-Use Asset	13,493								13,493
Accounting Standards Update 2016-02 [Member]
Operating Lease, Liability, Total												$ 15,300
Operating Lease, Right-of-Use Asset												$ 13,500
The 1404 Program [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)										23,200
Money Market Funds [Member]
Cash Equivalents, at Carrying Value, Total	35,800				136,100				35,800	136,100
Bank Time Deposits [Member]
Cash Equivalents, at Carrying Value, Total	$ 6,200				$ 1,600				6,200	1,600
License and Other [Member]
Revenue from Contract with Customer, Including Assessed Tax									16,457	$ 714	$ 733
License and Other [Member] \| RELISTOR License Agreement [Member]
Revenue from Contract with Customer, Including Assessed Tax									10,000
Excess of Achievement of US Net Sales									100,000
License and Other [Member] \| aBSI agreement [Member]
Revenue from Contract with Customer, Including Assessed Tax									4,000
License and Other [Member] \| License Agreement with Bayer [Member]
Revenue from Contract with Customer, Including Assessed Tax									$ 2,000