Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 1,176,000	$ 2,000,000
Accounts receivable, net of allowance for credit losses of $4,000 ($4,000 at December 31, 2023)	1,149,000	949,000
Inventories	1,246,000	1,406,000
Prepaid expenses and other current assets	780,000	825,000
Total current assets	4,351,000	5,180,000
Equipment and leasehold improvements, net	2,474,000	2,586,000
Right-of-use operating lease assets, net	50,000	122,000
Other assets	256,000	256,000
Total assets	10,087,000	11,232,000
Accounts payable	988,000	948,000
Accrued payroll and related expenses	398,000	376,000
Deferred revenue – short-term	921,000	670,000
Convertible promissory note – related party	4,206,000	7,278,000
Interest payable – related party	424,000	634,000
Convertible promissory note, net	0	378,000
Other current liabilities	1,367,000	1,478,000
Total current liabilities	8,304,000	11,762,000
Operating lease obligations – related party – long-term	2,720,000	2,900,000
Deferred revenue – long-term	122,000	127,000
Other noncurrent liabilities	28,000	27,000
Total liabilities	11,174,000	14,816,000
Commitments and Contingencies
Preferred stock, $0.001 par value; 2,000,000 shares authorized, none outstanding	0	0
Common stock, $0.001 par value; 350,000,000 shares authorized; 7,952,780 issued and outstanding (3,617,886 at December 31, 2023)	8,000	4,000
Additional paid in capital	286,877,000	282,383,000
Accumulated deficit	(286,024,000)	(284,168,000)
Accumulated other comprehensive loss	114,000	114,000
Total ThermoGenesis Holdings, Inc. stockholders’ equity / (deficit)	975,000	(1,667,000)
Noncontrolling interests	(2,062,000)	(1,917,000)
Total equity / (deficit)	(1,087,000)	(3,584,000)
Total liabilities and equity	10,087,000	11,232,000
Lease Agreement with Z3 Investment LLC [Member]
Current assets:
Right-of-use operating lease assets, net	2,956,000	3,088,000
Operating lease obligations – related party – long-term	$ 2,720,000	$ 2,900,000