XML 41 R31.htm IDEA: XBRL DOCUMENT
v3.23.3

Equity Transactions (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 9 Months Ended |
--- | --- | --- | --- | ---
Aug. 12, 2022 | Aug. 11, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Class of Warrant or Right [Line Items] |  |  |  |  |
Net cash proceeds from stock and warrants offering |  |  | $ 0 | $ 15,000 |
Fair value of warrants at inception |  |  | $ 1,278 |  | $ 3,317
Additional Warrants |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |
Number of shares issued (in shares) |  | 1,132,075 |  |  |
Net cash proceeds from stock and warrants offering | $ 2,800 |  |  |  |
Additional Warrants |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |
Fair value of warrants at inception | $ 1,600 |  |  |  |
Additional Warrants | Additional Warrants |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |
Purchase price (in dollars per share) |  | $ 2.65 |  |  |
Aggregate number of warrants (in shares) |  | 1,132,075 |  |  |
Common stock market price |  | $ 2.65 |  |  |

X
- Definition Warrant And Derivative Liabilities, Noncurrent + References No definition available. + Details
Name: | smsi_WarrantAndDerivativeLiabilitiesNoncurrent
Namespace Prefix: | smsi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromIssuanceOfPrivatePlacement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=smsi_StockAndAdditionalWarrantsOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=smsi_AdditionalWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |