Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
ASSETS
Cash and cash equivalents	$ 366,232	$ 928,681
Accounts receivable, net	229,769	250,703
Inventory, net	211,373	209,589
Prepaid expenses and other current assets	173,715	174,471
Total current assets	981,089	1,563,444
Property and equipment, net	41,315	45,082
Operating lease right of use assets	220,429	269,354
Total assets	1,242,833	1,877,880
Current liabilities
Accounts payable	486,326	394,518
Accrued expenses	214,651	188,622
Current portion of operating lease liabilities	60,299	91,387
Total current liabilities	761,276	674,527
Non-current portion of operating lease liabilities	148,109	164,205
Total liabilities	909,385	838,732
Commitments and contingencies (Note 6)
Stockholders' equity
Common stock; $0.0001 par value, 100,000,000 shares authorized, 44,241,516 shares issued and outstanding at March 31, 2024 and December 31, 2023	4,424	4,424
Additional paid-in capital	30,974,046	30,970,965
Accumulated deficit	(30,645,022)	(29,936,241)
Total stockholders' equity	333,448	1,039,148
Total liabilities and stockholders' equity	$ 1,242,833	$ 1,877,880