Consolidated Balance Sheets (Unaudited) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
CURRENT ASSETS
Cash and cash equivalents	$ 11,798,556	$ 16,612,711
Accounts receivable, net	118,375	493,113
Inventory, net	221,056	227,437
Current portion of mortgage note receivable	39,340	45,977
Prepaid insurance and services	231,614	42,246
Prepaid clinical expenses	3,441,285	2,014,851
Total current assets	15,850,226	19,436,335
FURNITURE AND EQUIPMENT, NET	59,442	59,583
RIGHT-TO-USE LEASE ASSET, NET	14,488	17,636
MORTGAGE NOTE RECEIVABLE, LESS CURRENT PORTION	0	7,279
TOTAL ASSETS	15,924,156	19,520,833
CURRENT LIABILITIES
Current portion of lease liability	14,560	19,245
Current portion of PPP loan	0	133,712
Accounts payable and accrued expenses	2,861,582	3,677,979
Total current liabilities	2,876,142	3,830,936
LONG-TERM LIABILITIES
Long-term PPP loan, less current portion	0	18,034
Commitments and contingencies
STOCKHOLDERS' EQUITY
Common stock, par value $.0001 per share, 20,000,000 shares authorized, 8,415,196 and 8,403,869 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	842	841
Preferred stock, par value $.0001 per share, 5,000,000 shares authorized, 0 issued and outstanding	0	0
Additional paid-in capital	64,167,254	64,019,513
Accumulated deficit	(51,120,082)	(48,348,491)
Total stockholders' equity	13,048,014	15,671,863
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 15,924,156	$ 19,520,833