Balance Sheet Detail (Tables)

6 Months Ended

Jun. 30, 2022

Balance Sheet Detail

Schedule of property and equipment

	June 30,		December 31,
	2022		2021
Research and development equipment	$	-	$	158
Office equipment		30		63
Total property and equipment		30		221
Less accumulated depreciation		(25)		(111)
Property and equipment, net	$	5	$	110

Schedule of accrued liabilities

	June 30,		December 31,
	2022		2021
External research and development expenses	$	468	$	854
Payroll related		11		376
Professional services		70		59
Other		36		12
Total	$	585	$	1,301