Members' Capital (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2015 shares	Jun. 30, 2014 shares	Jun. 30, 2015 USD ($) $ / shares $ / item shares	Jun. 30, 2014 USD ($) $ / shares $ / item shares
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared			$ 468,624	$ 472,165
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares) | shares	1,756,507	1,776,128	1,764,052	1,778,426
SaleProceedsDistributionMadeToMemberOrLimitedPartner			$ 171,717
Partners' Capital Account, Redemptions			115,753	$ 30,989
Limited Member [Member]
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared			$ 458,000	$ 458,000
Distributions Per Limited Partnership Unit Outstanding, Basic (in Dollars per share) | $ / shares			$ 0.26	$ 0.26
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares) | shares			1,764,052	1,778,426
DistributionsPerUnitOfNetIncome (in Dollars per Item) | $ / item			0.26	0.14
DistributionsPerUnitofReturnofCapital (in Dollars per Item) | $ / item			0	0.12
SaleProceedsDistributionMadeToMemberOrLimitedPartner			$ 170,000
SaleProceedsDistributionMadetoLimitedMemberPerUnit			$ 0.10
Partners' Capital Account, Units, Redeemed (in Shares) | shares			15,090.0	4,597.1
Partners' Capital Account, Redemptions			$ 112,281	$ 30,060
Managing Member [Member]
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared			10,624	14,165
SaleProceedsDistributionMadeToMemberOrLimitedPartner			1,717
Partners' Capital Account, Redemptions			$ 3,472	$ 929