Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

+ Details

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

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

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Balance Type:	credit
Period Type:	duration

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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Subsequent Events (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
Subsequent Events (Details) - USD ($) $ in Thousands	Jun. 02, 2022	Apr. 30, 2021	Mar. 31, 2021	Mar. 31, 2022	Dec. 31, 2020
Subsequent Event [Line Items]
Number of shares sold in private placement offering (in shares)		97,099
Aggregate gross proceeds from closing of offering		$ 500
Placement agent fees and closing expenses			$ 50	$ 1,127	$ 3,133
Subsequent Event \| Private Placement, Additional Shares Purchased
Subsequent Event [Line Items]
Number of shares sold in private placement offering (in shares)	3,199,999
Aggregate gross proceeds from closing of offering	$ 16,000
Number of common stock issuable from warrants (in shares)	666,668
Placement agent fees and closing expenses	$ 280