Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 506,078	$ 611,822
Accounts receivable	22,957	34,154
Inventories	42,706	45,760
Prepaid expense and other assets	603,930	272,779
Current assets of discontinued operations	47,723	1,261,403
Total current assets	1,223,394	2,225,918
Property and equipment, net	284,654	347,588
Intangibles, net	48,667	50,955
Lease right-of-use assets	1,776,142	2,047,241
Other long-term assets	98,478	98,478
Non-current assets of discontinued operations	4,031	202,337
Total assets	3,435,366	4,972,517
Current liabilities:
Accounts payable	1,346,499	1,044,394
Note payable	265,501	0
Accrued expenses and other liabilities	1,139,294	1,236,378
Contract liabilities	149,076	224,076
Lease liability	602,865	555,169
Current liabilities of discontinued operations	342,204	533,384
Total current liabilities	3,845,439	3,593,401
Lease liability – net of current portion	1,243,327	1,558,239
Non-current liabilities of discontinued operations	0	23,487
Total liabilities	5,088,766	5,175,127
Stockholders’ deficit:
Common stock, $.01 par value, 200,000,000 shares authorized, 9,596,737 and 6,666,993 shares outstanding as of June 30, 2025, and December 31, 2024, respectively	95,967	66,670
Additional paid-in capital	183,189,447	180,156,199
Accumulated deficit	(184,939,606)	(180,426,271)
Total stockholders’ deficit	(1,653,400)	(202,610)
Total liabilities and stockholders’ deficit	3,435,366	4,972,517
Series B Convertible Preferred Stock [Member]
Stockholders’ deficit:
Series B Convertible Preferred Stock, $.01 par value, 2,300,000 shares authorized, 79,246 shares outstanding as of June 30, 2025 and December 31, 2024	$ 792	$ 792