Condensed Statements of Partner's Capital (Unaudited) - USD ($)	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
BEGINNING BALANCE	$ 3,750,574	$ 3,735,256	$ 4,202,986	$ 3,877,164	$ 3,652,254	$ 4,281,180	$ 4,202,986	$ 4,281,180
Net Income	287,815	216,183	132,802	348,538	225,697	(28,926)	636,800	545,309
Cash Distributions	(201,151)	(200,865)	(600,531)	(101,394)	(787)	(600,000)
ENDING BALANCE	3,837,239	3,750,574	3,735,256	4,124,308	3,877,164	3,652,254	3,837,239	4,124,308
General Partner [Member]
BEGINNING BALANCE	227,201	225,904	225,107	221,940	220,470	220,759	225,107	220,759
Net Income	2,878	2,162	1,328	3,485	2,257	(289)
Cash Distributions	(1,151)	(865)	(531)	(1,394)	(787)
ENDING BALANCE	228,928	227,201	225,904	224,031	221,940	220,470	228,928	224,031
Limited Partner [Member]
BEGINNING BALANCE	3,523,373	3,509,352	3,977,878	3,655,224	3,431,784	4,060,421	3,977,878	4,060,421
Net Income	284,937	214,021	131,474	345,053	223,440	(28,637)
Cash Distributions	(200,000)	(200,000)	(600,000)	(100,000)		(600,000)
ENDING BALANCE	3,608,310	3,523,373	3,509,352	3,900,277	3,655,224	3,431,784	3,608,310	3,900,277
Cumulative Net Income [Member] | General Partner [Member]
BEGINNING BALANCE	387,541	385,379	384,051	378,772	376,515	376,804	384,051	376,804
Net Income	2,878	2,162	1,328	3,485	2,257	(289)
Cash Distributions
ENDING BALANCE	390,419	387,541	385,379	382,257	378,772	376,515	390,419	382,257
Cumulative Net Income [Member] | Limited Partner [Member]
BEGINNING BALANCE	44,732,402	44,518,381	44,386,908	43,864,253	43,640,813	43,669,450	44,386,908	43,669,450
Net Income	284,937	214,021	131,474	345,053	223,440	(28,637)
Cash Distributions
ENDING BALANCE	45,017,340	44,732,402	44,518,381	44,209,306	43,864,253	43,640,813	45,017,340	44,209,306
Cumulative Cash Distributions [Member] | General Partner [Member]
BEGINNING BALANCE	(160,340)	(159,475)	(158,944)	(156,832)	(156,045)	(156,045)	(158,944)	(156,045)
Net Income
Cash Distributions	(1,151)	(865)	(531)	(1,394)	(787)
ENDING BALANCE	(161,491)	(160,340)	(159,475)	(158,226)	(156,832)	(156,045)	(161,491)	(158,226)
Cumulative Cash Distributions [Member] | Limited Partner [Member]
BEGINNING BALANCE	(79,727,268)	(79,527,268)	(78,927,268)	(78,727,268)	(78,727,268)	(78,127,268)	(78,927,268)	(78,127,268)
Net Income
Cash Distributions	(200,000)	(200,000)	(600,000)	(100,000)		(600,000)
ENDING BALANCE	(79,927,268)	(79,727,268)	(79,527,268)	(78,827,268)	(78,727,268)	(78,727,268)	(79,927,268)	(78,827,268)
Capital Contributions Net of Offering Costs [Member] | Limited Partner [Member]
BEGINNING BALANCE	39,358,468	39,358,468	39,358,468	39,358,468	39,358,468	39,358,468	39,358,468	39,358,468
Net Income
Cash Distributions
ENDING BALANCE	39,358,468	39,358,468	39,358,468	39,358,468	39,358,468	39,358,468	39,358,468	39,358,468
Reallocation [Member] | Limited Partner [Member]
BEGINNING BALANCE	(840,229)	(840,229)	(840,229)	(840,229)	(840,229)	(840,229)	(840,229)	(840,229)
Net Income
Cash Distributions
ENDING BALANCE	$ (840,229)	$ (840,229)	$ (840,229)	$ (840,229)	$ (840,229)	$ (840,229)	$ (840,229)	$ (840,229)