Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash	$ 4,177	$ 3,845
Prepaid expenses	805	299
Other current assets	94	197
Total current assets	5,076	4,341
Patent acquisition costs, net		14
Total assets	5,076	4,355
Current liabilities:
Accounts payable	4,686	1,671
Accrued expenses	1,685	1,566
Convertible notes, related party	1,000
Warrant liability	755	1,253
Other current liabilities	653	94
Total current liabilities	8,779	4,584
Commitments and contingencies (Note 9)
Shareholders' deficit:
Share capital of $0.0001 par value Authorized: 45,122,321,523 ordinary shares at June 30, 2024 and December 31, 2023, respectively; issued and outstanding: 24,289,232,698 and 13,234,315,298 at June 30, 2024 and December 31, 2023, respectively	2,430	1,324
Additional paid-in capital	183,007	174,754
Capital redemption reserve	52,194	52,194
Accumulated other comprehensive loss	(749)	(1,040)
Accumulated deficit	(240,585)	(227,461)
Total shareholders' deficit	(3,703)	(229)
Total liabilities and shareholders' deficit	$ 5,076	$ 4,355