CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical)	Mar. 31, 2024	Feb. 21, 2024
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Percentage of stock dividend effected from stock split	100.00%	100.00%

Percentage of stock dividend effected from stock split.

No definition available.

Name:	cspi_StockholdersEquityNoteStockSplitPercentageOfStockDividend
Namespace Prefix:	cspi_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant