Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
CURRENT ASSETS
Cash and cash equivalents	$ 6,536,000	$ 6,835,000
Accounts receivable, net	1,824,000	5,016,000
Investments	492,000	2,687,000
Prepaid expenses and other assets	947,000	507,000
Assets held for sale	1,599,000	82,000
Total current assets	11,398,000	15,127,000
PROPERTY & EQUIPMENT, NET	17,534,000	17,401,000
OTHER ASSETS
Investment in unconsolidated joint venture	42,000	968,000
Other noncurrent assets	2,442,000	2,233,000
Total other assets	16,807,000	17,611,000
TOTAL ASSETS	45,739,000	50,139,000
CURRENT LIABILITIES
Accounts payable	2,340,000	2,321,000
Payroll and employee benefits	346,000	908,000
Accrued retirement benefits, current portion	7,370,000	140,000
Deferred revenue, current portion	998,000	833,000
Long-term debt, current portion	85,000	85,000
Line of credit	3,000,000	3,000,000
Other current liabilities	585,000	730,000
Contract overbillings	23,000	3,180,000
Total current liabilities	14,747,000	11,197,000
LONG-TERM LIABILITIES
Accrued retirement benefits, noncurrent portion	1,438,000	2,368,000
Long-term debt, noncurrent portion	144,000	168,000
Other noncurrent liabilities	12,000	24,000
Total long-term liabilities	4,698,000	5,761,000
TOTAL LIABILITIES	19,445,000	16,958,000
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; 19,730,202 and 19,663,780 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively	87,052,000	85,877,000
Additional paid-in-capital	16,700,000	15,202,000
Accumulated deficit	(70,647,000)	(61,008,000)
Accumulated other comprehensive loss	(6,811,000)	(6,890,000)
Total stockholders' equity	26,294,000	33,181,000
TOTAL LIABILITIES & STOCKHOLDERS' EQUITY	45,739,000	50,139,000
Excluding Deposits [Member]
LONG-TERM LIABILITIES
Deferred revenue, noncurrent portion	1,166,000	1,233,000
Member Deposits [Member]
LONG-TERM LIABILITIES
Deferred revenue, noncurrent portion	1,938,000	1,968,000
Development Project [Member]
OTHER ASSETS
Deferred development costs	13,736,000	14,380,000
Agave Venture [Member]
OTHER ASSETS
Deferred development costs	$ 587,000	$ 30,000