| Component: (Network and Table) | |
|---|---|
| Network | 2411402 - Disclosure - Product Warranties (Details) (http://www.cspi.com/role/ProductWarrantiesDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000356037 (http://www.sec.gov/CIK) |
| Payables and Accruals [Abstract] | Period [Axis] | |
|---|---|---|
2015-10-01 - 2016-09-30 | 2014-10-01 - 2015-09-30 | |
Payables and Accruals [Abstract] | ||
Product Warranty Beg Balance | ||
Accrual for Warranties | ||
Fulfillment of Warranty Obligations | ( | ( |
Product Warranty End Balance | 125,423,000 | |