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The first contingent milestone payment.

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Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc.

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Represents the number of suppliers.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of liability recognized arising from contingent consideration in a business combination.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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-Publisher FASB
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Amount of unrealized and realized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity), investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Amount of investment in equity security without readily determinable fair value.

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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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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Amount of unrecognized tax benefits.

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Note 1 - Organization and Significant Accounting Policies (Details Textual)			1 Months Ended	12 Months Ended
	Apr. 29, 2020 USD ($)	Apr. 20, 2020 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Nov. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)
Number of Reportable Segments				1
Number of Reporting Units				1
Contract with Customer, Liability, Revenue Recognized				$ 511,000
Business Combination, Contingent Consideration, Liability, Total						$ 221,000		$ 388,000
Impairment of Intangible Assets (Excluding Goodwill), Total				110,400,000	$ 0	0
Unrecognized Tax Benefits, Ending Balance				610,000	255,000	96,000
Advertising Expense				$ 768,000	$ 552,000	$ 167,000
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| One Customer [Member]
Concentration Risk, Percentage				18.00%	17.00%	13.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Number of Major Customers				2	2
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Two Customers [Member]
Concentration Risk, Percentage				26.00%	32.00%
Supplier Concentration Risk [Member] \| Accounts Payable [Member]
Number of Suppliers				1
Supplier Concentration Risk [Member] \| Accounts Payable [Member] \| One Supplier [Member]
Concentration Risk, Percentage				23.00%	10.00%
Tax Attributes Carried Forward [Member]
Unrecognized Tax Benefits, Ending Balance				$ 610,000
Assets Held for Rent [Member]
Property, Plant and Equipment, Useful Life (Year)				3 years
Impairment of Intangible Assets (Excluding Goodwill), Total				$ 0	$ 0	$ 0
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)				3 years
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)				10 years
Contingent Convertible Preferred Stock [Member] \| Series A-1 and A-2, Preferred Stock [Member]
Equity Securities without Readily Determinable Fair Value, Amount				$ 4,100,000	3,400,000
Contingent Convertible Preferred Stock [Member] \| Series E Preferred Stock [Member]
Equity Securities without Readily Determinable Fair Value, Amount				995,000	995,000
Contingent Convertible Preferred Stock [Member] \| Series E Preferred Stock [Member] \| PanTHERA Cryosolutions Investment [Member]
Equity Securities without Readily Determinable Fair Value, Amount					995,000
Contingent Convertible Preferred Stock [Member] \| Series A-2 Preferred Stock [Member]
Equity Securities without Readily Determinable Fair Value, Amount							$ 1,000,000.0
Contingent Convertible Preferred Stock [Member] \| Preferred Stock, Class E [Member]
Contingent Milestone Payment						2,000,000.0
Contingent Millstone Payment, #1			$ 200,000
Contingent Convertible Preferred Stock [Member] \| Preferred Stock, Class E [Member] \| PanTHERA Cryosolutions Investment [Member]
Equity Securities without Readily Determinable Fair Value, Amount							$ 995,000
Convertible Debt Securities [Member]
Debt Securities, Gain (Loss), Total				697,000	0	1,300,000
Paycheck Protection Program CARES Act [Member]
Proceeds from Issuance of Debt		$ 2,175,320		0	0	2,175,000
Repayments of Debt	$ 2,175,320			$ (0)	$ (0)	$ 2,175,000