XML 42 R31.htm IDEA: XBRL DOCUMENT v3.22.1

Note 4 - Inventory (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Inventory Write-down, Net of Credits	$ 135,471	$ 0
Inventory Write-down	$ 200,000

X

- Definition

The amount of gain (loss) on inventory write-down net of credits received.

+ References

No definition available.

+ Details

Name:	siga_InventoryWriteDownNetOfCredits
Namespace Prefix:	siga_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314

+ Details

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