v3.23.2

Note 4 - Asset Acquisition (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 07, 2022 | Dec. 31, 2022
In Process Research and Development [Member] |  |  |
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) |  |  | $ 0
Lowell Therapeutics [Member] |  |  |
Business Combination, Consideration Transferred, Net of Cash Acquired |  | $ 32,500 |
Cash Acquired from Acquisition |  | 3,549 |
Business Combination, Options To Purchase Capital Stock Issued and Outstanding Cancelled, Exchange for Cash |  | $ 3,500 |
Business Combination, Acquiree Common Stock to Be Held Back to Satisfy Some Obligations (in shares) |  | 69,808 |
Business Combination, Acquiree Common Stock to Be Held Back to Satisfy Some Obligations, Value | [1] | $ 800 |
Business Combination, Cash and Stock Paid for Transaction Costs |  | 500 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total | [2] | 8,819 |
Business Combination, Consideration Transferred, Total |  | 12,368 |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  | 6,000 |
Business Combination, Acquisition Related Costs |  | 500 |
Payments to Acquire Businesses, Gross |  | 3,536 |
Business Acquisition, Transaction Costs |  | 2,521 |
Lowell Therapeutics [Member] | Contingent Consideration Payable Upon Achievement of Milestones [Member] |  |  |
Business Combination, Contingent Consideration, Liability, Total |  | $ 26,000 |
Lowell Therapeutics [Member] | AcelRx Common Stock [Member] |  |  |
Business Combination, Options To Purchase Capital Stock Issued and Outstanding Cancelled, Exchange for Common Stock, Number (in shares) |  | 450,477 |
Business Combination, Acquiree Common Stock to Be Held Back to Satisfy Some Obligations, Fixed Value per Share (in dollars per share) |  | $ 11.46 |
Business Combination, Options To Purchase Capital Stock Issued and Outstanding Cancelled, Exchange for Common Stock, Value |  | $ 5,200 |
Business Combination, Acquiree Common Stock to Be Held Back to Satisfy Some Obligations (in shares) |  | 69,808 |
Business Combination, Acquiree Common Stock to Be Held Back to Satisfy Some Obligations, Value |  | $ 800 |
[1] | Recorded as Other long-term liabilities in the Condensed Consolidated Balance Sheets.
[2] | Recorded as In-process research and development asset in the Condensed Consolidated Balance Sheets.

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- Definition Represents acquiree common stock to be held back to satisfy some obligations, fixed value per share. + References No definition available. + Details
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- Definition Represents options to purchase capital stock and all shares of stock issued and outstanding cancelled in exchange for right to receive common stock. + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479405/805-10-25-23 + Details
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- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 + Details
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