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CONSOLIDATED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (USD $) | Total USD ($) | Subtotal | Class A USD ($) | Class B USD ($) | General Partnership USD ($) | Treasury Units
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2011 | $ (21,310,852) |  | $ (17,052,134) | $ (4,045,783) | $ (212,935) |
Balance (in units) at Dec. 31, 2011 | 131,484 | 180,225 | 144,180 | 34,243 | 1,802 | 48,741
Increase (Decrease) in Partners' Capital |  |  |  |  |  |
Distribution to Partners | (986,134) |  | (788,907) | (187,365) | (9,862) |
Net Income | 626,953 |  | 501,562 | 119,121 | 6,270 |
Balance at Mar. 31, 2012 | (21,670,033) |  | (17,339,479) | (4,114,027) | (216,527) |
Balance (in units) at Mar. 31, 2012 | 131,484 | 180,225 | 144,180 | 34,243 | 1,802 | 48,741
Balance at Dec. 31, 2012 | (22,515,678) |  | (18,017,082) | (4,273,666) | (224,929) |
Balance (in units) at Dec. 31, 2012 | 130,444 | 180,225 | 144,180 | 34,243 | 1,802 | 49,781
Increase (Decrease) in Partners' Capital |  |  |  |  |  |
Distribution to Partners | (975,298) |  | (780,238) | (185,307) | (9,753) |
Stock Buyback | (399,487) |  | (321,240) | (74,335) | (3,912) |
Stock Buyback (in units) | (404) |  |  |  |  | 404
Net Income | 901,625 |  | 721,299 | 171,309 | 9,016 |
Balance at Mar. 31, 2013 | $ (22,988,837) |  | $ (18,397,261) | $ (4,361,999) | $ (229,578) |
Balance (in units) at Mar. 31, 2013 | 130,040 | 180,225 | 144,180 | 34,243 | 1,802 | 50,185

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