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CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (USD $)
Subtotal
Class A
USD ($)
Class B
USD ($)
General Partnership
USD ($)
Treasury Units
Total
USD ($)
Balance at Dec. 31, 2012   $ (18,017,082) $ (4,273,666) $ (224,929)   $ (22,515,677)
Balance (in units) at Dec. 31, 2012 180,225 144,180 34,243 1,802 49,781 130,444
Increase (Decrease) in Partners' Capital            
Distribution to Partners   (2,337,714) (555,208) (29,221)   (2,922,143)
Stock Buyback   (819,240) (192,610) (10,137)   (1,021,987)
Stock Buyback (in units)         905 (905)
Net income   4,270,294 1,014,195 53,379   5,337,867
Balance at Sep. 30, 2013   (16,903,742) (4,007,289) (210,908)   (21,121,940)
Balance (in units) at Sep. 30, 2013 180,225 144,180 34,243 1,802 50,686 129,539
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)     (205) (11) 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