v2.4.1.9

Subsequent Events - Additional Information (Detail) (Peerless Systems Corporation [Member], USD $)	0 Months Ended
	Oct. 06, 2014	Feb. 12, 2015
Deer Valley Corporation, Common Stock Purchase Agreement [Member]
Subsequent Event [Line Items]
Common stock purchased, percentage	80.00%dvly_PercentageOfCommonStockSharesPurchased / us-gaap_CounterpartyNameAxis = dvly_PeerlessSystemsCorporationMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Subsequent Event [Member]
Subsequent Event [Line Items]
Business Acquisition Price of Share		7.00us-gaap_BusinessAcquisitionSharePrice / us-gaap_CounterpartyNameAxis = dvly_PeerlessSystemsCorporationMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Subsequent Event [Member] | Deer Valley Corporation, Common Stock Purchase Agreement [Member]
Subsequent Event [Line Items]
Shares issued		12,436,458us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction / us-gaap_CounterpartyNameAxis = dvly_PeerlessSystemsCorporationMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember
Common stock purchased, percentage		80.00%dvly_PercentageOfCommonStockSharesPurchased / us-gaap_CounterpartyNameAxis = dvly_PeerlessSystemsCorporationMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_SubsidiarySaleOfStockAxis = us-gaap_PrivatePlacementMember

X

- Definition

Percentage of common stock shares purchased.

+ References

No definition available.

+ Details

Name:	dvly_PercentageOfCommonStockSharesPurchased
Namespace Prefix:	dvly_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: