Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash	$ 324	$ 683
Accounts receivable, less allowance for doubtful accounts of $223 and $35, respectively	1,680	1,173
Prepaid expenses and other assets	244	101
Assets held for sale	7,633	7,597
Total current assets	9,881	9,554
PROPERTY	52,267	52,164
Accumulated depreciation	(33,407)	(32,445)
Property, net	18,860	19,719
OTHER ASSETS
Deferred development costs	8,504	8,504
Other noncurrent assets	1,206	1,342
Total other assets	9,710	9,846
TOTAL ASSETS	38,451	39,119
CURRENT LIABILITIES
Accounts payable	707	1,356
Payroll and employee benefits	783	928
Accrued retirement benefits	165	165
Deferred club membership revenue	131	35
Other current liabilities	615	468
Total current liabilities	2,401	2,952
LONG-TERM LIABILITIES
Long-term debt		1,035
Accrued retirement benefits, net of current portion	9,328	9,702
Other noncurrent liabilities	64	64
Total long-term liabilities	13,841	13,475
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Common stock--no par value, 43,000,000 shares authorized, 19,301,288 and 19,238,081 shares issued and outstanding	81,369	80,606
Additional paid-in-capital	9,184	9,184
Accumulated deficit	(48,164)	(46,300)
Accumulated other comprehensive loss	(20,180)	(20,798)
Total stockholders' equity	22,209	22,692
TOTAL LIABILITIES & STOCKHOLDERS' EQUITY	38,451	39,119
License [Member]
LONG-TERM LIABILITIES
Deferred revenue	1,800
Member Deposits [Member]
LONG-TERM LIABILITIES
Deferred revenue	$ 2,649	$ 2,674