Schedule of common stock warrants (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Class of Warrant or Right [Line Items]
Exercised	0
Series B Common Stock Warrants [Member]
Class of Warrant or Right [Line Items]
Outstanding	87,456	87,456
Issued
Exercised	87,456
Outstanding		87,456
Series D Common Stock Warrants [Member]
Class of Warrant or Right [Line Items]
Outstanding	6,252,954	6,252,954
Issued
Exercised	2,954
Outstanding	6,250,000	6,252,954
Series B and D Common Stock Warrants [Member]
Class of Warrant or Right [Line Items]
Outstanding	6,340,410	6,340,410
Issued
Exercised	90,410
Outstanding	6,250,000	6,340,410
Series H Warrants [Member]
Class of Warrant or Right [Line Items]
Outstanding	689,159	689,159
Exercised
Outstanding	413,512	689,159
Issued
Canceled	275,647