Schedule of Share-based Compensation Expense (Details) - Biostage 2013 Equity Incentive Plan [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation	$ 479	$ 277	$ 2,319	$ 512
Research and Development Expense [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation	51	88	113	148
Selling, General and Administrative Expenses [Member]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total share-based compensation	$ 428	$ 189	$ 2,206	$ 364