XML 83 R71.htm IDEA: XBRL DOCUMENT
v3.23.1

Commitments and Contingencies (Details Narrative) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Loss Contingencies [Line Items] |  |  |
Contractual obligation |  | $ 0 | $ 6,460,000
Purchase obligation |  | 19,975,000 | 5,663,000
Loss contingency, management's assessment and process | At the beginning of 2021, the Company outsourced substantially all of its software development to a third-party and transferred 105 employees to support the ongoing work to be performed. In connection with outsourcing its software development, the Company entered into an agreement of future business volume over the next three years. |  |
Litigation settlement expense |  | 1,154 |
Cost of Sales [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Royalty expense |  | $ 622,000 | $ 2,168,000
Minimum [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Royalty payment percent of net revenues |  | 5.00% |

X
- Definition Royalty payment percent of net revenues. + References No definition available. + Details
Name: | SONM_RoyaltyPaymentPercentOfNetRevenues
Namespace Prefix: | SONM_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. + References No definition available. + Details
Name: | us-gaap_ContractualObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Describes management's process to evaluate the contingency matter and to estimate the impact on the financial statements and ongoing operations, such as added credit risk or loss of customers, including pertinent information to adequately disclose the matter and significant assumptions underlying the estimates. + References No definition available. + Details
Name: | us-gaap_LossContingencyManagementsAssessmentAndProcess
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_RoyaltyExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |