XML 33 R32.htm IDEA: XBRL DOCUMENT v2.4.1.9
Acquisition - Fair values of assets (Details) (USD $)
Dec. 31, 2014
Acquisition - Cornerstone Acquisition - Purchase Price Allocation  
Intangible asset - Intellectual Property $ 659,440pwvi_IntangibleAssetIntellectualProperty1
Goodwill 2,637,760pwvi_Goodwill1
Total assets acquired 3,297,200pwvi_TotalAssetsAcquired
Aggregate purchase price $ 3,297,200pwvi_AggregatePurchasePrice