CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash	$ 42	$ 15
Accounts receivable	1,736	224
Inventories	125	124
Prepaid expenses and other	1,578	1,222
Prepaid income taxes	318
Deferred income taxes	78	78
Total current assets	3,877	1,663
Property and equipment, net	92,123	92,896
Other assets	719	738
Deferred income taxes	459	490
Total assets	97,178	95,787
Current liabilities:
Accounts payable	281	145
Accrued liabilities	1,886	2,903
Income taxes payable		132
Deferred revenue	6,945	2,719
Total current liabilities	9,112	5,899
Revolving line of credit	21,200	19,700
Liability for pension benefits	2,997	3,065
Other liabilities	1,912	1,934
Deferred income taxes	16,075	17,096
Total liabilities	51,296	47,694
Commitments and contingencies (see Notes to the Consolidated Financial Statements)
Stockholders' equity:
Preferred stock, $0.10 par value; 1,000,000 shares authorized; shares issued and outstanding: none
Additional paid-in capital	102,191	102,166
Accumulated deficit	(57,535)	(55,256)
Accumulated other comprehensive loss	(2,473)	(2,504)
Total stockholders' equity	45,882	48,093
Total liabilities and stockholders' equity	97,178	95,787
Common stock
Stockholders' equity:
Common stock	1,848	1,836
Class A common stock
Stockholders' equity:
Common stock	$ 1,851	$ 1,851