| Component: (Network and Table) | |
|---|---|
| Network | 100420 - Disclosure - Goodwill and Intangible Assets - Expected Amortization Expense for Acquisition-Related Intangible Assets (Detail) (http://www.bsquare.com/20161231/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsExpectedAmortizationExpenseForAcquisitionRelatedIntangibleAssetsDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001054721 (http://www.sec.gov/CIK) |
| Goodwill And Intangible Assets Disclosure [Abstract] | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
Goodwill And Intangible Assets Disclosure [Abstract] | ||
2017 | ||
2018 | ||
2019 | ||
2020 | ||
2021 | ||
Net Carrying Value | 464,000 | 594,000 |