The Company (Tables)

3 Months Ended

Mar. 31, 2022

The Company [Abstract]

Accrued Warranty Costs Activity

The activity in the warranty accrual during the three months ended March 31, 2022 and 2021 is summarized as follows:

	Three Months Ended, March 31,
	2022			2021
Balance, beginning of period	$	79		$	113
Additions		34			4
Expirations and claimed satisfied		(14	)		(32	)
Total		99			85
Less current portion within accrued expenses and other current liabilities		(66	)		(63	)
Balance within deferred revenues and other liabilities	$	33		$	22

Antidilutive Securities Excluded from Computation of Net Loss Per Share

The following potentially dilutive securities have been excluded from the computation of diluted weighted-average shares of common stock outstanding, as they would be anti-dilutive:

	March 31,
	2022		2021
Unvested restricted stock units		89,681		-
Stock options		4,434,714		6,925,478
Common stock warrants		373,626		-
Total		4,898,021		6,925,478