XML 38 R29.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Debt and Fair Value of Financial Instruments - Assumptions (Details) | Sep. 30, 2022 yr $ / shares | Aug. 12, 2022 $ / shares yr | Aug. 11, 2022 $ / shares yr
--- | --- | --- | ---
Common stock market price | Embedded Derivative Financial Instruments |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | $ / shares | 2.26 |  | 3.04
Common stock market price | Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | $ / shares | 2.26 |  | 3.04
Common stock market price | Additional Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | $ / shares | 2.26 | 2.34 |
Risk-free interest rate | Embedded Derivative Financial Instruments |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0.0389 |  | 0.0328
Risk-free interest rate | Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0.0370 |  | 0.0303
Risk-free interest rate | Additional Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0.0370 | 0.0303 |
Expected dividend yield | Embedded Derivative Financial Instruments |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0 |  | 0
Expected dividend yield | Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0 |  | 0
Expected dividend yield | Additional Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0 | 0 |
Expected term (in years) | Embedded Derivative Financial Instruments |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | yr | 1.25 |  | 1.39
Expected term (in years) | Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | yr | 4.87 |  | 5.00
Expected term (in years) | Additional Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | yr | 5.37 | 5.50 |
Expected volatility | Embedded Derivative Financial Instruments |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0.5773 |  | 0.5632
Expected volatility | Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0.6651 |  | 0.6685
Expected volatility | Additional Warrants |  |  |
Line Of Credit Facility [Line Items] |  |  |
Measurement input | 0.6850 | 0.7055 |

X
- Definition Value of input used to measure derivative liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_DerivativeLiabilityMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
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_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputSharePriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EmbeddedDerivativeFinancialInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
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: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedDividendRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |