Annual report pursuant to Section 13 and 15(d)

6. ACQUISITION OF ASSETS OF PHYTOSPHERE SYSTEMS, LLC (Details-Allocation of purchase price)

v2.4.1.9
6. ACQUISITION OF ASSETS OF PHYTOSPHERE SYSTEMS, LLC (Details-Allocation of purchase price) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Assets acquired      
Accounts receivable $ 0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables $ 396,438us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables  
Inventory 0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory 345,477us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory  
Prepaid inventory 0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets 1,260,510us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets  
Fixed assets, net 0us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment 1,288us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment  
Unidentifiable intangible assets      
Goodwill residual estimate 1,855,512us-gaap_Goodwill 1,855,512us-gaap_Goodwill  
Phytosphere Systems      
Assets acquired      
Cash     50,775us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Accounts receivable     396,438us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Inventory     345,477us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Prepaid inventory     1,260,510us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Fixed assets, net     1,288us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Total tangible assets     2,054,488us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Identifiable intangible assets      
Total identifiable intangible assets     4,110,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Unidentifiable intangible assets      
Goodwill residual estimate     1,855,512us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Total assets acquired from PhytoSPHERE     8,020,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
Phytosphere Systems | Vendor relationships      
Identifiable intangible assets      
Total identifiable intangible assets     1,170,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= canv_VendorRelationshipsMember
Phytosphere Systems | Trade name      
Identifiable intangible assets      
Total identifiable intangible assets     230,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
Phytosphere Systems | Noncompete agreement      
Identifiable intangible assets      
Total identifiable intangible assets     $ 2,710,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= canv_PhytosphereSystemsMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember