CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
CONDENSED CONSOLIDATED BALANCE SHEETS
Allowance doubtful accounts	$ 33,600	$ 33,600
Shareholders' equity:
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	10,503,599	10,145,211
Common stock, shares outstanding	10,503,599	10,145,211