Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 22,791	$ 24,047
Trade accounts receivable - net of allowance for uncollectibles - $404 and $402 at March 31, 2015 and December 31, 2014, respectively	2,855	2,737
Other accounts receivable	2,038	488
Materials and supplies	188	167
Prepaid expenses	654	349
Prepaid income taxes	262	311
Deferred income taxes	28	43
Total current assets	28,816	28,142
Property, plant and equipment, net	11,587	12,384
Intangibles, net	4,808	5,020
Seat licenses, net	1,510	1,543
Goodwill	9,006	9,006
Other assets	1,060	1,023
Total assets	56,787	57,118
Current liabilities:
Short-term debt	346	325
Accounts payable	1,152	1,216
Advance billing and payments	284	274
Accrued taxes	886	1,056
Pension and postretirement benefit obligations	276	276
Accrued wages	731	1,036
Other accrued expenses	3,049	2,885
Total current liabilities	6,724	7,068
Long-term debt	333	295
Deferred income taxes	767	766
Pension and postretirement benefit obligations	8,758	8,833
Total liabilities	16,582	16,962
Shareholders' equity
Preferred shares - $100 par value; authorized and issued shares of 5; $0.01 par value; authorized and unissued shares of 10,000	500	500
Common stock - $0.01 par value; authorized shares of 10,000; issued 6,877 and 6,826 shares issued at March 31, 2015 and December 31, 2014, respectively	69	69
Treasury stock - at cost, 902 and 885 common shares at March 31, 2015 and December 31, 2014, respectively	(8,229)	(8,077)
Additional paid in capital	14,206	14,047
Accumulated other comprehensive loss	(3,755)	(3,997)
Retained earnings	37,414	37,614
Total shareholders' equity	40,205	40,156
Total liabilities and shareholders' equity	$ 56,787	$ 57,118