BALANCE SHEETS (Parenthetical) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Allowances for accounts receivable	$ 26,000	$ 30,000
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	60,000,000	60,000,000
Common stock, shares issued	29,061,883	29,061,883
Common stock, shares outstanding	29,061,883	29,061,883