Note 4 - Related Party Transactions - Summarizes the Note (Details) - Boyalife Asset Holding II [Member] - Convertible Debt [Member] - USD ($)	Mar. 31, 2022	Dec. 31, 2021
State interest rate	22.00%	22.00%
Conversion price (in dollars per share)	$ 0.64	$ 1.80
Face value	$ 10,000,000	$ 9,245,000

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

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant