Note 4 - Related Party Transactions - Summarizes the Note (Details) - Boyalife Asset Holding II [Member] - Convertible Debt [Member] - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2022	Dec. 31, 2021
Maturity Date	Mar. 06, 2023	Mar. 06, 2023
Stated Interest Rate	22.00%	22.00%
Conversion Price (in dollars per share)	$ 0.28	$ 1.80
Face Value	$ 7,000,000	$ 10,000,000
Debt Discount	(1,733,000)	(755,000)
Carrying Value	$ 5,267,000	$ 9,245,000

The price per share of the conversion feature embedded in the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount, after accumulated amortization, of debt discount.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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