Summary Of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Warranty Accrual Activity

	Three-Month Periods Ended
	March 31,
	2022		2021
Beginning balance	$	80	$	—
Add: Accruals for warranties issued during the period		17		—
Less: Settlements made during the period		—		—
Ending balance	$	97	$	—

Anti-Dilutive Shares Excluded From Computation Of Diluted Net Loss Per Share

	Three-Month Periods Ended
	March 31,
	2022		2021
Common stock warrants		—		600
Common stock options		5,558,884		5,476,636
Restricted stock units		—		111,305
Total		5,558,884		5,588,541