Description of the Business and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2022

Description of the Business and Summary of Significant Accounting Policies [Abstract]

Summary of Activity Related to Warranty Liability Included in Other Current Liabilities


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Beginning balance	$	416	$	465	$	519	$	615
Warranty accruals and adjustments		(127)		242		(227)		100
Warranty claims		(7)		(2)		(10)		(10)
Ending balance	$	282	$	705	$	282	$	705

Schedule of Earnings Per Share, Basic and Diluted


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Net Loss	$	(1,440)	$	(278)	$	(1,577)	$	(7,656)
Income allocated to participating securities		—		—		—		—
Loss allocated to common shares	$	(1,440)	$	(278)	$	(1,577)	$	(7,656)

Change in fair value of warrant liability⁽¹⁾	$	—	$	—	$	—	$	—
Loss allocated to common shares - Diluted	$	(1,440)	$	(278)	$	(1,577)	$	(7,656)

Weighted average common shares outstanding ‎ - Basic		73,895,212		72,193,205		73,368,347		71,238,060
Dilutive effect of liability classified warrants		—		—		—		—
Weighted average common shares outstanding ‎ - Diluted⁽¹⁾		73,895,212		72,193,205		73,368,347		71,238,060

Net loss per share:
Basic	$	(0.02)	$	-	$	(0.02)	$	(0.11)
Diluted	$	(0.02)	$	-	$	(0.02)	$	(0.11)

(1)For the three months ended June 30, 2022 and 2021, income (loss) allocated to common shares, and the weighted average shares used for calculating basic and diluted earnings per share exclude the assumed impact of exercise liability classified warrants, because it would be anti-dilutive to the earnings per share calculation.

Schedule of Potentially Dilutive Common Stock Equivalents


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Restricted Stock Units		408,226		435,501		408,226		435,501
Options		3,625,426		3,841,671		3,625,426		3,841,671
Warrants		6,009,374		9,339,816		6,009,374		9,339,816
Convertible preferred stock		18,726,009		18,726,009		18,726,009		18,726,009
Total potentially dilutive common stock equivalents		28,769,035		32,342,997		28,769,035		32,342,997

Reconciliation of the Level 3 Warrant Liability Measured and Recorded at Fair Value on a Recurring Basis


	Estimated Fair Value
Balance as of January 1, 2022	$	1,374
Change in fair value of warrant liability, net		(1,372)
Balance as of June 30, 2022	$	2