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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation with time-based restrictions.

No definition available.

Name:	gvp_AggregateFairValueForRSUsWithTimeBasedRestrictions
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Data Type:	xbrli:monetaryItemType
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Net number of non-option equity instruments granted to participants with performance-based restrictions.

No definition available.

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Net number of non-option equity instruments granted to participants with time based restrictions.

No definition available.

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Number of quarters RSU's will vest quarterly.

No definition available.

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Period in which RSU's will vest annually in equal amounts.

No definition available.

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The grant-date fair value of options granted during the reporting period as calculated by applying an option pricing methodology.

No definition available.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 718
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section S99
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- References

No definition available.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Net number of share options (or share units) granted during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Data Type:	xbrli:sharesItemType
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