v3.22.2.2

Note 8 - Leases - Operating Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating lease costs	$ 344	$ 343	$ 1,030	$ 1,123
Gain on derecognition of operating lease	0	0	0	(522)
Sublease income	0	0	0	(199)
Loss on termination of sublease	0	0	0	331
Net lease costs	$ 344	$ 343	$ 1,030	$ 733
Weighted-average remaining lease term – operating leases (in years) (Year)	4 years 4 months 9 days	5 years 2 months 15 days	4 years 4 months 9 days	5 years 2 months 15 days
Weighted-average remaining discount rate – operating leases	12.80%	12.80%	12.80%	12.80%

X

- Definition

Amount of gain (loss) on termination of sublease.

+ References

No definition available.

+ Details

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Namespace Prefix:	acrx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The amount of lease cost (gain) during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	acrx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of gain (loss) on termination of lease before expiration of lease term.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 40
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=123386189&loc=SL77918607-209975

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X

- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-Publisher FASB
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Balance Type:	debit
Period Type:	duration

X

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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X

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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X

- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

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-Publisher FASB
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-SubTopic 20
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