Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
CURRENT ASSETS
Cash and cash equivalents	$ 4,290,198	$ 16,612,711
Accounts receivable, net	394,570	493,113
Inventory, net	271,137	227,437
Current portion of mortgage note receivable	0	45,977
Prepaid insurance and services	115,889	42,246
Prepaid clinical expenses	3,350,002	2,014,851
Total current assets	8,421,796	19,436,335
FURNITURE AND EQUIPMENT, NET	60,058	59,583
RIGHT-TO-USE LEASE ASSET, NET	5,669	17,636
MORTGAGE NOTE RECEIVABLE, LESS CURRENT PORTION	0	7,279
TOTAL ASSETS	8,487,523	19,520,833
CURRENT LIABILITIES
Current portion of lease liability	4,978	19,245
Current portion of note payable	0	133,712
Accounts payable and accrued expenses	2,870,085	3,677,979
Total current liabilities	2,875,063	3,830,936
LONG-TERM LIABILITIES
Long-term note payable, less current portion	0	18,034
STOCKHOLDERS' EQUITY
Common stock, par value $.0001 per share, 20,000,000 shares authorized, 8,455,452 and 8,403,869 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively	846	841
Preferred stock, par value $.0001 per share, 5,000,000 shares authorized, 0 issued and outstanding	0	0
Additional paid-in capital	64,430,566	64,019,513
Accumulated deficit	(58,818,952)	(48,348,491)
Total stockholders' equity	5,612,460	15,671,863
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 8,487,523	$ 19,520,833