Transactions with Owners with Greater than Ten Percent Beneficial Interests (Details) (USD $)	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Advisory Board fees paid to Jesse Small
Advisory Board Fees paid	$ 875	$ 875	$ 2,625	$ 2,625

Advisory board fees paid to owners with beneficial interest more than 10%.

No definition available.

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Namespace Prefix:	zzdd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration