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Note 2 - Investments in and Advances To Local Limited Partnerships (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Oakridge Park
Investment Balance	$ 0	$ 0

Represents the monetary amount of Investment Balance, as of the indicated date.

No definition available.

Name:	fil_InvestmentBalance
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Name:	fil_PartnershipInterestAxis=fil_OakridgeParkMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: