Members' Capital (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2017 shares	Jun. 30, 2016 shares	Jun. 30, 2017 USD ($) $ / shares $ / item shares	Dec. 31, 2016 $ / item	Jun. 30, 2016 USD ($) $ / shares $ / item shares
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared			$ 339,790		$ 469,665
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares) | shares	1,738,006	1,744,006	1,741,006		1,749,424
Distributions Per Unit Of Net Income (in Dollars per Item) | $ / item				0.0946	0.1313
Sale Proceeds Distribution Made To Member Or Limited Partner			$ 20,202		$ 121,212
Partners' Capital Account, Redemptions			37,456		77,729
Limited Member [Member]
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared			$ 330,000		$ 457,999
Distributions Per Limited Partnership Unit Outstanding, Basic (in Dollars per share) | $ / shares			$ 0.19		$ 0.26
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares) | shares			1,741,006		1,749,424
Distributions Per Unit Of Net Income (in Dollars per Item) | $ / item			0.04		0.05
Distributions Per Unit Of Return Of Capital (in Dollars per Item) | $ / item			0.15		0.21
Sale Proceeds Distribution Made To Member Or Limited Partner			$ 20,000		$ 120,000
Sale Proceeds Distribution Made to Limited Member Per Unit (in Dollars per Item) | $ / item			0.01		0.07
Partners' Capital Account, Units, Redeemed (in Shares) | shares			6,000.0		10,835.5
Partners' Capital Account, Redemptions			$ 36,332		$ 75,397
Managing Member [Member]
Members' Capital (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared			9,790		11,666
Sale Proceeds Distribution Made To Member Or Limited Partner			202		1,212
Partners' Capital Account, Redemptions			$ 1,124		$ 2,332