Investment Properties and Accumulated Depreciation (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances	$ 0
Initial Cost to Partnership Land	2,994,399
Initial Cost to Partnership Building and Improvements	4,917,173
Costs Capitalized Subsequent to Acquisitions	296,991
Carrying Amount of Land	2,956,118
Carrying Amount of Buildings and Improvements	5,028,699
Carrying Total	7,984,817
Accumulated Depreciation	3,834,881
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at beginning of year	7,984,817	9,732,826
Balance at end of year	7,984,817	7,984,817
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
Balance at beginning of year	3,684,775	4,178,495
Additions charged to costs and expenses	150,106	164,467
Balance at end of year	3,834,881	3,684,775
Santa Fe, NM [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land
Initial Cost to Partnership Building and Improvements	451,230
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land
Carrying Amount of Buildings and Improvements	451,230
Carrying Total	451,230
Accumulated Depreciation	346,907
Date of Construction	. NaN, NaN
Date Acquired	Oct. 10, 1988
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Augusta, GA (2) [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	215,416
Initial Cost to Partnership Building and Improvements	434,178
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	213,226
Carrying Amount of Buildings and Improvements	434,177
Carrying Total	647,403
Accumulated Depreciation	337,059
Date of Construction	. NaN, NaN
Date Acquired	Dec. 22, 1988
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Charleston SC [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	273,619
Initial Cost to Partnership Building and Improvements	323,162
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	273,619
Carrying Amount of Buildings and Improvements	323,162
Carrying Total	596,781
Accumulated Depreciation	250,876
Date of Construction	. NaN, NaN
Date Acquired	Dec. 22, 1988
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Aiken SC [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	402,549
Initial Cost to Partnership Building and Improvements	373,795
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	402,549
Carrying Amount of Buildings and Improvements	373,795
Carrying Total	776,344
Accumulated Depreciation	289,087
Date of Construction	. NaN, NaN
Date Acquired	Feb. 21, 1989
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Augusta GA [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	332,154
Initial Cost to Partnership Building and Improvements	396,659
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	332,154
Carrying Amount of Buildings and Improvements	396,659
Carrying Total	728,813
Accumulated Depreciation	306,770
Date of Construction	. NaN, NaN
Date Acquired	Feb. 21, 1989
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Mt. Pleasant SC [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	286,060
Initial Cost to Partnership Building and Improvements	294,878
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	252,069
Carrying Amount of Buildings and Improvements	294,878
Carrying Total	546,947
Accumulated Depreciation	228,054
Date of Construction	. NaN, NaN
Date Acquired	Feb. 21, 1989
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Charleston, SC [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	273,625
Initial Cost to Partnership Building and Improvements	254,500
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	273,625
Carrying Amount of Buildings and Improvements	254,500
Carrying Total	528,125
Accumulated Depreciation	196,826
Date of Construction	. NaN, NaN
Date Acquired	Feb. 21, 1989
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Aiken, SC [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	178,521
Initial Cost to Partnership Building and Improvements	455,229
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	178,521
Carrying Amount of Buildings and Improvements	455,229
Carrying Total	633,750
Accumulated Depreciation	352,067
Date of Construction	. NaN, NaN
Date Acquired	Mar. 14, 1989
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Des Moines IA [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	164,096
Initial Cost to Partnership Building and Improvements	448,529
Costs Capitalized Subsequent to Acquisitions	296,991
Carrying Amount of Land	161,996
Carrying Amount of Buildings and Improvements	560,057
Carrying Total	722,053
Accumulated Depreciation	438,034
Date of Construction	Dec. 31, 1989
Date Acquired	Aug. 01, 1989
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
North Augusta SC [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	250,859
Initial Cost to Partnership Building and Improvements	409,297
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	250,859
Carrying Amount of Buildings and Improvements	409,297
Carrying Total	660,156
Accumulated Depreciation	303,157
Date of Construction	. NaN, NaN
Date Acquired	Dec. 29, 1989
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Martinez GA [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	266,175
Initial Cost to Partnership Building and Improvements	367,575
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	266,175
Carrying Amount of Buildings and Improvements	367,575
Carrying Total	633,750
Accumulated Depreciation	272,255
Date of Construction	. NaN, NaN
Date Acquired	Dec. 29, 1989
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Columbus OH [Member]
Investment Properties and Accumulated Depreciation
Initial Cost to Partnership Encumbrances
Initial Cost to Partnership Land	351,325
Initial Cost to Partnership Building and Improvements	708,141
Costs Capitalized Subsequent to Acquisitions
Carrying Amount of Land	351,325
Carrying Amount of Buildings and Improvements	708,140
Carrying Total	1,059,465
Accumulated Depreciation	513,789
Date of Construction	. NaN, NaN
Date Acquired	Jun. 01, 1990
Life on which Depreciation in latest statement of operations is computed (Year)	31 years 6 months
Vacant-Park Forest [Member]
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
IL Reclassified and sold	(142,747)
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
IL reclassified and sold	(142,747)
Vacant-Phoenix [Member]
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
SC reclassified	0	(475,782)
AZ property impairment write-down	142,747	390,117
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
AZ Property impairment write-down	142,747
Denny's-Phoenix [Member]
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
IL Reclassified and sold	0	(777,405)
AZ property impairment write-down	0	104,705
Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]
IL reclassified and sold	0	(332,405)
AZ Property impairment write-down	$ 0	$ 325,782