Condensed Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Condensed Statements of Operations [Abstract]
Operating Revenues	$ 7,951	$ 8,398	$ 23,084	$ 23,376
Operating Expenses:
Maintenance of way and structures	1,524	999	1,723	3,016
Maintenance of equipment	940	921	2,781	2,944
Transportation	2,699	2,671	7,805	8,054
General and administrative	1,137	1,216	3,499	3,850
Depreciation	834	817	2,496	2,392
Taxes, other than income taxes	721	606	2,235	1,755
Car hire, net	262	230	754	820
Employee retirement plans	60	59	168	182
Track usage fees	69	200	183	585
Total Operating Expenses	8,246	7,719	21,644	23,598
Income (loss) from Operations	(295)	679	1,440	(222)
Other income, net	198	1,303	224	1,429
Interest expense	(53)	(40)	(159)	(56)
Income (loss) from operations prior to income taxes	(150)	1,942	1,505	1,151
Provision for Income Taxes (Benefit)	231	360	(314)	825
Net Income (Loss)	(381)	1,582	1,819	326
Preferred Stock Dividends			3	3
Net Income (Loss) Available to Common Shareholders	$ (381)	$ 1,582	$ 1,816	$ 323
Basic and Diluted Income (Loss) Per Common Share	$ (0.08)	$ 0.32	$ 0.37	$ 0.07
Weighted-Average Common Shares Outstanding:
For basic	4,837,987	4,828,286	4,834,485	4,826,126
For diluted	4,837,987	4,897,901	4,903,430	4,898,442