Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
CURRENT ASSETS
Cash	$ 579	$ 602
Accounts receivable, less allowance of $57 for doubtful accounts	1,875	1,503
Prepaid expenses and other current assets	237	190
Assets held for sale	212	459
Total current assets	2,903	2,754
PROPERTY	58,959	58,959
Accumulated depreciation	(33,631)	(33,215)
Net property	25,328	25,744
OTHER ASSETS
Deferred development costs	10,250	8,843
Other noncurrent assets	1,652	1,542
Total other assets	11,902	10,385
TOTAL ASSETS	40,133	38,883
CURRENT LIABILITIES
Accounts payable	694	569
Payroll and employee benefits	1,047	607
Current portion of accrued retirement benefits	172	175
Income taxes payable	405	443
Deferred revenue	546	24
Other current liabilities	357	580
Total current liabilities	3,221	2,398
LONG-TERM LIABILITIES
Long-term debt	1,235	6,857
Accrued retirement benefits	9,058	9,059
Deposits	2,393	2,378
Deferred revenue	366	409
Other noncurrent liabilities	45	40
Total long-term liabilities	13,097	18,743
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS' EQUITY
Common stock--no par value, 43,000,000 shares authorized, 18,967,575 and 18,958,018 shares issued and outstanding	78,160	78,123
Additional paid in capital	9,246	9,246
Accumulated deficit	(41,500)	(47,332)
Accumulated other comprehensive loss	(22,091)	(22,295)
Total stockholders' equity	23,815	17,742
TOTAL LIABILITIES & STOCKHOLDERS' EQUITY	$ 40,133	$ 38,883