Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 5,719,000	$ 3,157,000
Restricted cash	1,000,000	1,000,000
Accounts receivable, net of allowance for doubtful accounts of $227,000 ($226,000 at December 31, 2019)	2,029,000	1,278,000
Inventories, net of reserves of $356,000 ($350,000 at December 31, 2019)	4,218,000	3,824,000
Prepaid expenses and other current assets	429,000	602,000
Total current assets	13,395,000	9,861,000
Equipment and leasehold improvements, net	1,904,000	2,028,000
Right-of-use operating lease assets, net	829,000	859,000
Goodwill	781,000	781,000
Intangible assets, net	1,434,000	1,467,000
Other assets	61,000	218,000
Total assets	18,404,000	15,214,000
Current liabilities:
Accounts payable	2,457,000	1,447,000
Accrued payroll and related expenses	406,000	288,000
Deferred revenue – short term	617,000	620,000
Interest payable – related party	443,000	1,869,000
Other current liabilities	2,558,000	2,461,000
Total current liabilities	6,481,000	6,685,000
Convertible promissory note – related party, less debt discount of $4,031,000 ($5,195,000 at December 31, 2019)	3,550,000	3,518,000
Convertible promissory note, plus debt premium of $22,000 ($46,000 at December 31, 2019)	209,000	413,000
Note payable	1,000,000	1,000,000
Operating lease obligations – long-term	726,000	761,000
Deferred revenue – long-term	1,814,000	1,901,000
Other noncurrent liabilities	19,000	20,000
Total liabilities	13,799,000	14,298,000
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value; 2,000,000 shares authorized, none outstanding
Common stock, $0.001 par value; 350,000,000 shares authorized; 5,768,885 issued and outstanding (2,843,601 at December 31, 2019)	6,000	3,000
Additional paid in capital	245,704,000	237,313,000
Accumulated deficit	(241,534,000)	(236,932,000)
Accumulated other comprehensive loss	40,000	2,000
Total ThermoGenesis Holdings, Inc. stockholders’ equity	4,216,000	386,000
Noncontrolling interests	389,000	530,000
Total equity	4,605,000	916,000
Total liabilities and equity	$ 18,404,000	$ 15,214,000