Segment Information (Tables)

12 Months Ended

Dec. 31, 2012

Segment Information [Abstract]

Schedule of Long-Lived Assets, by Geographical Areas

	Long Lived Assets
Amounts in thousands	2012	2011
United States	$ 55,442	$ 56,294
International:
Canada	$ 49,754	$ 48,423
Europe	4,157	3,228
International waters	1,187	1,496
Total international	55,098	53,147
Total	$ 110,540	$ 109,441

Schedule of Revenue from External Customers, by Geographical Areas

	Net Operating Revenue
Amounts in thousands	2012	2011
United States	$ 30,432	$ 30,215
International:
Canada	$ 34,465	$ 34,112
International waters	6,601	6,132
Aruba	322	407
Austria	8	0
Total international	$ 41,396	$ 40,651
Total	$ 71,828	$ 70,866