CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL - USD ($)	Subtotal	Class A	Class B	General Partnership	Treasury Units	Total
Balance at Dec. 31, 2013		$ (17,485,327)	$ (4,145,076)	$ (218,160)		$ (21,848,563)
Balance (in units) at Dec. 31, 2013	180,225	144,180	34,243	1,802	50,738	129,487
Increase (Decrease) in Partners' Capital
Distribution to Partners		$ (2,319,041)	$ (550,772)	$ (28,988)		$ (2,898,801)
Stock Buyback		(1,258,399)	(290,698)	(15,300)		$ (1,564,397)
Stock Buyback (in units)					1,080	1,080
Net income		346,971	82,406	4,337		$ 433,714
Balance at Sep. 30, 2014		$ (20,715,796)	$ (4,904,141)	$ (258,111)		$ (25,878,048)
Balance (in units) at Sep. 30, 2014	180,225	144,180	34,243	1,802	51,818	128,407
Balance at Dec. 31, 2014		$ (21,910,488)	$ (5,184,335)	$ (272,859)		$ (27,367,682)
Balance (in units) at Dec. 31, 2014	180,225	144,180	34,243	1,802	52,572	127,653
Increase (Decrease) in Partners' Capital
Distribution to Partners		$ (2,276,458)	$ (540,659)	$ (28,456)		$ (2,845,573)
Stock Buyback		(2,018,329)	(472,845)	(24,887)		$ (2,516,061)
Stock Buyback (in units)					1,677	1,677
Net income		2,063,889	490,174	25,798		$ 2,579,861
Balance at Sep. 30, 2015		$ (24,141,386)	$ (5,707,665)	$ (300,404)		$ (30,149,455)
Balance (in units) at Sep. 30, 2015	180,225	144,180	34,243	1,802	54,249	125,976