CONSOLIDATED STATEMENTS OF CHANGES IN PARTNER'S CAPITAL - USD ($)	3 Months Ended				12 Months Ended			137 Months Ended
	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018
Increase (Decrease) in Partners' Capital
Balance		$ (35,315,177)		$ (34,224,725)	$ (35,315,177)	$ (34,224,725)	$ (30,810,953)
Balance (in units)		124,386		124,409	124,386	124,409	125,374
Distribution to Partners					$ (4,477,923)	$ (7,985,835)	$ (6,729,679)
Stock Buyback						$ (42,548)	$ (1,634,945)	$ (40,274,000)
Stock Buyback (in units)						(23)	(965)
Net income	$ 1,576,877	$ 1,878,558	$ 1,688,270	$ 1,894,234	4,169,090	$ 6,937,931	$ 4,950,852
Balance	$ (35,624,010)		$ (35,315,177)		$ (35,624,010)	$ (35,315,177)	$ (34,224,725)	$ (35,624,010)
Balance (in units)	124,386		124,386		124,386	124,386	124,409	124,386
Gain (Loss) on Disposition of Oil and Gas and Timber Property							$ 104,443
Subtotal
Increase (Decrease) in Partners' Capital
Balance (in units)		180,225		180,225	180,225	180,225	180,225
Balance (in units)	180,225		180,225		180,225	180,225	180,225	180,225
General Partnership
Increase (Decrease) in Partners' Capital
Balance		$ (351,745)		$ (340,840)	$ (351,745)	$ (340,840)	$ (306,870)
Balance (in units)		1,802		1,802	1,802	1,802	1,802
Distribution to Partners					$ (44,779)	$ (79,858)	$ (67,297)
Stock Buyback						(426)	(16,181)
Net income					41,691	69,379	49,508
Balance	$ (354,833)		$ (351,745)		$ (354,833)	$ (351,745)	$ (340,840)	$ (354,833)
Balance (in units)	1,802		1,802		1,802	1,802	1,802	1,802
Treasury Units
Increase (Decrease) in Partners' Capital
Balance (in units)		55,839		55,816	55,839	55,816	54,851
Stock Buyback (in units)						(23)	(965)
Balance (in units)	55,839		55,839		55,839	55,839	55,816	55,839
Class A
Increase (Decrease) in Partners' Capital
Balance		$ (28,280,285)		$ (27,407,924)	$ (28,280,285)	$ (27,407,924)	$ (24,673,535)
Balance (in units)		144,180		144,180	144,180	144,180	144,180
Distribution to Partners					$ (3,582,339)	$ (6,388,668)	$ (5,383,743)
Stock Buyback						(34,038)	(1,311,328)
Net income					3,335,272	5,550,345	3,960,682
Balance	$ (28,527,352)		$ (28,280,285)		$ (28,527,352)	$ (28,280,285)	$ (27,407,924)	$ (28,527,352)
Balance (in units)	144,180		144,180		144,180	144,180	144,180	144,180
Class B
Increase (Decrease) in Partners' Capital
Balance		$ (6,683,147)		$ (6,475,961)	$ (6,683,147)	$ (6,475,961)	$ (5,830,548)
Balance (in units)		34,243		34,243	34,243	34,243	34,243
Distribution to Partners					$ (850,805)	$ (1,517,309)	$ (1,278,639)
Stock Buyback						(8,084)	(307,436)
Net income					792,127	1,318,207	940,662
Balance	$ (6,741,825)		$ (6,683,147)		$ (6,741,825)	$ (6,683,147)	$ (6,475,961)	$ (6,741,825)
Balance (in units)	34,243		34,243		34,243	34,243	34,243	34,243