XML 26 R13.htm IDEA: XBRL DOCUMENT
v3.20.4

Warrants | 12 Months Ended
--- | ---
Dec. 31, 2020
Warrants [Abstract] |
Warrants | NOTE 7 —Warrants There were 155,338 warrants exercised on May 10, 2019 for total cash proceeds of $23. The following table discloses warrants issued and outstanding as of December 31, 2020 and 2019:
|  | December 31, 2020 |  | December 31, 2019
|  | Exercise |  |  | Number of warrant |  |  | Year of |  | Exercise |  |  | Number of warrant |  |  | Year of
Issuance date |  | price |  |  | shares |  |  | expiration |  | price |  |  | shares |  |  | expiration
Common |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
November 2012 |  | $ | 6.03 |  |  |  | 7 |  |  | 2028 |  | $ | 6.00 |  |  |  | 7 |  |  | 2028
November 2012 |  |  |  |  |  |  |  |  |  | 2020 |  | $ | 6.00 |  |  |  | 927 |  |  | 2020
November 2012 |  | $ | 14.50 |  |  |  | 22 |  |  | 2028 |  | $ | 14.50 |  |  |  | 22 |  |  | 2028
Total warrants |  |  |  |  |  |  | 29 |  |  |  |  |  |  |  |  |  | 956 |  |  |

X
- Definition Warrants abstract. + References No definition available. + Details
Name: | sonm_WarrantsAbstract
Namespace Prefix: | sonm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for warrants. + References No definition available. + Details
Name: | sonm_WarrantsTextBlock
Namespace Prefix: | sonm_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration