Basis of Presentation and Significant Accounting Policies (Details Narrative) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] | ||
| Cash | $ 37,144,000 | $ 58,705,000 |
| Restricted cash | 75,000 | 50,000 |
| Cash equivalents | 0 | 0 |
| General and administrative expenses | 5,745,000 | 5,427,000 |
| Tax credits reduction of research and development expense | 805,000 | |
| Tax credits receivable | 716,000 | |
| Patent and Licensing Related Legal and Filing Costs [Member] | ||
| Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] | ||
| General and administrative expenses | 506,000 | $ 533,000 |
| United States Financial Institutions Two [Member] | ||
| Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] | ||
| Cash FDIC insured amount | $ 250,000 | |
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. No definition available.
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- Definition 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. No definition available.
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible research and development expense. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of other research and development expense. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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