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Deferred Compensation (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deferred Compensation Payment Period	2015	2015
Deferred compensation	$ 215,012	$ 309,740	$ 215,011
Founder [Member]
Deferred compensation		$ 215,011

X

- Definition

The payment period of the deferred compensation.

+ References

No definition available.

+ Details

Name:	gwiv_DeferredCompensationPaymentDate
Namespace Prefix:	gwiv_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

+ References

No definition available.

+ Details

Name:	us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant