Name:	gvp_ConcentrationOfRiskPercentage
Namespace Prefix:	gvp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

When presenting the maximum range of expiration dates, the earliest date when the contract or contracts expire. May be presented in a variety of ways (for example: year only, month and year, day, month and year, number of months, and number of years).

No definition available.

Name:	gvp_ContractTermMaximum
Namespace Prefix:	gvp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

When presenting the minimum range of expiration dates, the earliest date when the contract or contracts expire. May be presented in a variety of ways (for example: year only, month and year, day, month and year, number of months, and number of years).

No definition available.

Name:	gvp_ContractTermMinimum
Namespace Prefix:	gvp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	gvp_EntityWideRevenueMajorCustomerAbstract
Namespace Prefix:	gvp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The total number of reportable segment of the entity during the reporting period.

No definition available.

Name:	gvp_NumberOfReportableSegment
Namespace Prefix:	gvp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Describes the approximate term of post customer support service.

No definition available.

Name:	gvp_PostCustomerSupportServicePeriod
Namespace Prefix:	gvp_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

Minimum percentage used as a benchmark to disclose customers of consolidated entity results or balances.

No definition available.

Name:	gvp_ReportableSegmentMinimumPercentage
Namespace Prefix:	gvp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Describes the approximate term of the product warranty.

No definition available.