Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
CURRENT ASSETS
Cash and cash equivalents		$ 8,499	$ 5,596
Cash, restricted		10	0
Accounts receivable, net		892	1,103
Investments, current portion		2,432	0
Prepaid expenses and other assets		368	333
Assets held for sale		3,019	3,144
Total Current Assets		15,220	10,176
PROPERTY & EQUIPMENT
Land		5,052	5,063
Land improvements		12,943	12,943
Buildings		22,869	22,869
Machinery and equipment		10,360	10,360
Total Property & Equipment		51,224	51,235
Less accumulated depreciation		(35,346)	(34,237)
Property, net		15,878	16,998
OTHER ASSETS
Investments		551	0
Deferred development costs		9,566	9,564
Other noncurrent assets		1,191	1,181
Total Other Assets		11,308	10,745
TOTAL ASSETS	[1]	42,406	37,919
CURRENT LIABILITIES
Accounts payable		589	580
Payroll and employee benefits		869	949
Accrued retirement benefits, current portion		142	142
Deferred revenue, current portion		227	217
Other current liabilities		480	509
Total Current Liabilities		2,307	2,397
LONG-TERM LIABILITIES
Accrued retirement benefits		2,612	7,937
Other noncurrent liabilities		30	53
Total Long-Term Liabilities		6,327	11,932
TOTAL LIABILITIES		8,634	14,329
Commitments and Contingencies
STOCKHOLDERS’ EQUITY
Common stock--$.0001 par value and no par value at December 31, 2022 and 2021, respectively; 43,000,000 shares authorized; 19,476,671 and 19,383,288 shares issued and outstanding at December 31, 2022 and 2021, respectively		83,392	82,378
Additional paid in capital		9,184	9,184
Accumulated deficit		(50,537)	(52,324)
Accumulated other comprehensive loss		(8,267)	(15,648)
Total Stockholders’ Equity		33,772	23,590
TOTAL LIABILITIES & STOCKHOLDERS' EQUITY		42,406	37,919
License [Member]
LONG-TERM LIABILITIES
Deferred revenue		1,500	1,633
Member Deposits [Member]
LONG-TERM LIABILITIES
Deferred revenue		$ 2,185	$ 2,309

[1] Segment assets are located in the United States.