Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Cash and cash equivalents	$ 582,589	$ 2,051,208
Restricted cash	55,000	55,000
Accounts receivables, net	232,879	92,320
Inventory, net	209,660	240,005
Prepaid expenses and other current assets	178,340	196,378
Total current assets	1,258,468	2,634,911
Property and equipment, net	48,850	53,165
Operating lease right of use assets	292,584	359,284
Total assets	1,599,902	3,047,360
LIABILITIES AND STOCKHOLDERS' EQUITY
Common stock; $0.0001 par value, 100,000,000 shares authorized, 42,316,516 and 41,799,016 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively	4,232	4,180
Additional paid-in capital	30,005,576	28,951,963
Accumulated deficit	(29,283,086)	(26,764,805)
Total stockholders' equity	726,722	2,191,338
Total liabilities and stockholders' equity	1,599,902	3,047,360
Current liabilities
Accounts payable	400,884	397,703
Accrued expenses	196,093	123,275
Current portion of operating lease liabilities	88,291	79,453
Total current liabilities	685,268	600,431
Non-current portion of operating lease liabilities	187,912	255,592
Total liabilities	873,180	856,022
Commitments and contingencies (Note 6)