XML 22 R12.htm IDEA: XBRL DOCUMENT
v3.22.1

Significant Balance Sheet Components | 3 Months Ended
--- | ---
Mar. 31, 2022
Significant Balance Sheet Components [Abstract] |
Significant Balance Sheet Components | NOTE 4 —Significant Balance Sheet Components Accounts Receivable consists of the following:
|  | March 31, 2022 |  |  | December 31, 2021 |
Trade receivables |  | $ | 11,357 |  |  | $ | 11,735 |
Allowance for doubtful accounts |  |  | (934) |  |  |  | (932) |
Accounts receivable, net |  |  | 10,423 |  |  |  | 10,803 |
Vendor non-trade receivables |  |  | 3,985 |  |  |  | 2,255 |
Total accounts receivable |  | $ | 14,408 |  |  | $ | 13,058 |
The Company has non-trade receivables from a manufacturing vendor resulting from the sale of components to this vendor who manufactures and assembles final products for the Company. The Company analyzes the need for reserves for potential credit losses and records allowances for doubtful accounts when necessary. The Company had allowances for such losses totaling approximately $934 and $932 as of March 31, 2022, and December 31, 2021, respectively. The majority of the allowance was for a distributor who is not a 10% customer. Inventory consists of the following:
|  | March 31, 2022 |  |  | December 31, 2021 |
Finished goods |  | $ | 2,908 |  |  | $ | 2,952 |
Raw materials |  |  | 1,858 |  |  |  | 1,986 |
Accessories |  |  | 454 |  |  | 606 |
|  | $ | 5,220 |  |  | $ | 5,544 |
Distributor returns allowance The Company records reductions to cost of goods sold related to future distributor product returns based on the Company’s expectation. The Company had inventory related to distributor product returns totaling approximately $41 and $229 as of March 31, 2022 and December 31, 2021 respectively. Other assets consisted of the following:
|  | March 31, 2022 |  |  | December 31, 2021 |
Deferred NRE |  | $ | 1,757 |  |  | $ | 2,345 |
Advances to third party manufacturers |  |  | 2,000 |  |  |  | 2,000 |
Deposits |  |  | 431 |  |  |  | 431 |
Other |  |  | 89 |  |  |  | 93 |
|  | $ | 4,277 |  |  | $ | 4,869 |
Accrued Expenses consisted of the following:
|  | March 31, 2022 |  |  | December 31, 2021 |
Customer allowances |  | $ | 3,505 |  |  | $ | 3,148 |
Employee-related liabilities |  |  | 657 |  |  |  | 1,893 |
Warranties |  |  | 782 |  |  |  | 836 |
Accrual for goods received not invoiced |  |  | 1,118 |  |  |  | 668 |
Contractual obligations |  |  | 1,035 |  |  |  | 1,035 |
Royalties |  |  | 1,012 |  |  |  | 1,210 |
Research and development |  |  | 2,334 |  |  |  | 1,158 |
Shipping |  |  | 301 |  |  |  | 157 |
Returns allowance |  |  | 64 |  |  |  | 390 |
Legal |  |  | 167 |  |  |  | 517 |
Other |  |  | 298 |  |  |  | 341 |
|  | $ | 11,273 |  |  | $ | 11,353 |

X
- Definition Significant balance sheet components. + References No definition available. + Details
Name: | sonm_SignificantBalanceSheetComponentsAbstract
Namespace Prefix: | sonm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI https://asc.fasb.org/topic&trid=2126998 + Details
Name: | us-gaap_InventoryDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration