XML 28 R35.htm IDEA: XBRL DOCUMENT v2.4.0.6

Note 7 - Segment Information (Detail) - Schedule of revenue by major customers (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Customer A [Member]
Amount (in Dollars)	$ 2.0	$ 1.5	$ 12.2	$ 6.3
% of revenue	9.00%	8.00%	20.00%	11.00%
Customer B [Member]
Amount (in Dollars)	3.5	4.5	10.2	8.8
% of revenue	16.00%	24.00%	16.00%	15.00%
Customer C [Member]
Amount (in Dollars)	0.6	2.2	2.6	4.5
% of revenue	3.00%	12.00%	4.00%	8.00%
Customer D [Member]
Amount (in Dollars)	$ 2.6		$ 3.3
% of revenue	12.00%		5.00%

X

- Definition

Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues to total consolidated revenue.

+ References

No definition available.

+ Details

Name:	cspi_PercentageOfRevenue
Namespace Prefix:	cspi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 42

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 39

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_EntityWideRevenueMajorCustomerAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration