Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
CURRENT ASSETS
Cash and cash equivalents	$ 7,882	$ 6,835
Accounts receivable, net	2,650	5,016
Investments	1,573	2,687
Prepaid expenses and other assets	375	507
Assets held for sale	82	82
Total current assets	12,562	15,127
PROPERTY & EQUIPMENT, NET	17,350	17,401
OTHER ASSETS
Investment in unconsolidated joint venture	42	968
Deferred development costs	14,854	14,410
Other noncurrent assets	2,424	2,233
Total other assets	17,320	17,611
TOTAL ASSETS	47,232	50,139
CURRENT LIABILITIES
Accounts payable	2,460	2,321
Payroll and employee benefits	233	908
Accrued retirement benefits, current portion	7,370	140
Deferred revenue, current portion	1,148	833
Long-term debt, current portion	85	85
Line of credit	3,000	3,000
Other current liabilities	556	730
Contract overbillings	901	3,180
Total current liabilities	15,753	11,197
LONG-TERM LIABILITIES
Accrued retirement benefits, noncurrent portion	1,447	2,368
Long-term debt, noncurrent portion	156	168
Other noncurrent liabilities	22	24
Total long-term liabilities	4,763	5,761
TOTAL LIABILITIES	20,516	16,958
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Preferred stock--$0.0001 par value; 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock--$0.0001 par value; 43,000,000 shares authorized; 19,718,150 and 19,663,780 shares issued and outstanding at March 31, 2025 and December 31, 2024, respectively	86,799	85,877
Additional paid-in-capital	16,376	15,202
Accumulated deficit	(69,648)	(61,008)
Accumulated other comprehensive loss	(6,811)	(6,890)
Total stockholders' equity	26,716	33,181
TOTAL LIABILITIES & STOCKHOLDERS' EQUITY	47,232	50,139
Excluding Deposits [Member]
LONG-TERM LIABILITIES
Deferred revenue, noncurrent portion	1,200	1,233
Member Deposits [Member]
LONG-TERM LIABILITIES
Deferred revenue, noncurrent portion	$ 1,938	$ 1,968