Members' Equity (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2019 USD ($) $ / shares $ / item shares	Mar. 31, 2018 USD ($) $ / shares $ / item shares	Dec. 31, 2019 $ / shares	Dec. 31, 2018 $ / shares
Members' Equity (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared	$ 94,432	$ 170,104
Distribution Made to Limited Liability Company (LLC) Member, Distributions Declared, Per Unit (in Dollars per share) | $ / shares			$ 0.0527	$ 0.0949
Limited Liability Company [Member]
Members' Equity (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared	$ 91,599	$ 165,001
Distribution Made to Limited Liability Company (LLC) Member, Distributions Declared, Per Unit (in Dollars per share) | $ / shares	$ 0.05	$ 0.09
Weighted Average Limited Partnership Units Outstanding, Basic (in Shares) | shares	1,738,006	1,738,006
DistributionsPerUnitOfNetIncome (in Dollars per Item) | $ / item	0.00	0.03
DistributionsPerUnitOfReturnOfCapital (in Dollars per Item) | $ / item	0.05	0.06
General Partner [Member]
Members' Equity (Details) [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Declared	$ 2,833	$ 5,103