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Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2022

Notes Tables

Property Plant and Equipment Useful Life [Table Text Block]

Asset Classification		Estimated Useful Life in Years
Machinery and equipment		3-10
Furniture and fixtures		3-5
Leasehold improvements		Shorter of the estimated useful life or the remaining lease term

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Fiscal year ended March 31,
		2022				2021
Numerator:
Net loss		$	(19,193	)		$	(22,678	)
Denominator:
Weighted-average shares of common stock outstanding			28,293				24,991
Weighted-average shares subject to repurchase			(1,090	)			(1,112	)
Shares used in per-share calculation ― basic			27,203				23,879
Shares used in per-share calculation ― diluted			27,203				23,879
Net loss per share ― basic		$	(0.71	)		$	(0.95	)
Net loss per share ― diluted		$	(0.71	)		$	(0.95	)

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Tabular disclosure of useful life of property plant and equipment.

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- Definition

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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