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Basis of Presentation and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

Disaggregation of revenue

The following table provides a disaggregation of product net sales for the periods presented (in thousands):

			Three months ended June 30,															Six months ended June 30,
			2022						2021									2022						2021
Net sales:
Commercial			$	975					$	1,078								$	2,109					$	1,991
MMM products			505						996									1,432						2,720
Total net sales			$	1,480					$	2,074								$	3,541					$	4,711

Reconciliation of basic and diluted income (loss) per share

The following table presents a reconciliation of basic and diluted loss per share computations (in thousands):

			Three months ended June 30,												Six months ended June 30,
			2022						2021						2022						2021
Numerator:
Net loss			$	(2,486)					$	(2,473)					$	(5,307)					$	(4,115)
Denominator:
Basic and diluted weighted average shares of common stock outstanding			7,166						4,211						6,803						3,913

Schedule of warranty activity

The following table summarizes warranty activity for the periods presented (in thousands):

			Three months ended June 30,												Six months ended June 30,
			2022						2021						2022						2021
Balance at beginning of period			$	265					$	239					$	295					$	227
Warranty accruals for current period sales			7						22						6						39
Adjustments to existing warranties			43						(2)						28						12
In kind settlements made during the period			—						(20)						(14)						(39)
Accrued warranty reserve at end of period			$	315					$	239					$	315					$	239

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045

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Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=126907703&loc=d3e12565-110249

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