Represents the minimum royalties receivable upon regulatory approval under aa distribution agreement.

No definition available.

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Namespace Prefix:	asxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount of proceeds expected from distribution agreement.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount of cash inflow during the period from a distribution agreement.

+ References

No definition available.

+ Details

Name:	asxc_ProceedsFromDistributionAgreement
Namespace Prefix:	asxc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_CommonStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_PreferredStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_TypeOfArrangementAxis=asxc_ChinaNationalScientificAndInstrumentsAndMaterialsCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
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Note 1 - Organization and Capitalization (Details Textual) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	36 Months Ended
	Dec. 31, 2017	Dec. 31, 2020	Dec. 31, 2019	Dec. 06, 2013	Dec. 05, 2013
Common Stock, Shares Authorized (in shares)		750,000,000	750,000,000	750,000,000	225,000,000
Preferred Stock, Shares Authorized (in shares)		25,000,000	25,000,000	25,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.01	$ 0.01	$ 0.01
China National Scientific and Instruments and Materials Company [Member]
Proceeds from Distribution Agreement		$ 15
Distribution Agreement, Minimum Royalties Receivable Upon Regulatory Approval		$ 14
China National Scientific and Instruments and Materials Company [Member] \| Minimum [Member]
Expected Proceeds from Distribution Agreement	$ 29