Condensed Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash Flows from Operating Activities:
Net income (loss)	$ 2,199	$ (1,258)
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation	1,662	1,575
Non-cash component of Amtrak Agreement	(1,108)
Amortization of deferred grant income	(280)	(132)
Proceeds from deferred grant and other income	199
Deferred income taxes benefit	(567)	447
Proceeds from sale of property	(181)
Share-based compensation	65	102
Increase (decrease) in cash from:
Accounts receivable	101	(1,025)
Materials and supplies	153	17
Prepaid expenses and other current assets	412	370
Accounts payable and accrued expenses	(870)	1,008
Net cash flows from operating activities	1,785	1,104
Cash flows from Investing Activities:
Purchase of property and equipment	(1,730)	(5,014)
Proceeds from sale of property and equipment	181
Proceeds from note receivable		44
Net cash flows used in investing activities	(1,549)	(4,970)
Cash Flows from Financing Activities:
Borrowings under long term debt		4,000
Repayments of long term debt	(59)
Proceeds from deferred grant and other income	245
Dividends paid	(390)	(389)
Issuance of common shares for stock options exercised and employee stock purchases	68	69
Net cash flows (used in) from financing activities	(136)	3,680
Increase (Decrease) in Cash and Cash Equivalents	100	(186)
Cash and Cash Equivalents, Beginning of Period	3,943	1,517
Cash and Cash Equivalents, End of Period	4,043	1,331
Supplemental Disclosures:
Cash paid during year for interest	107	52
Cash paid for income taxes	70
Property and equipment included in accounts payable and accrued expenses	$ 421	$ 387