Nature of business and summary of significant accounting policies (Details Narrative) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Mar. 08, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Apr. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Stockholders' equity, reverse stock split	1-for-44
Reverse stock splits shares of common stock issued	70,041
Repurchase authorized amount						$ 5.0
Stock repurchased, shares				0
Advertising expense		$ 1.2	$ 2.3	$ 2.3	$ 3.7