Condensed Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Allowance for doubtful accounts (in dollars)	$ 76,000	$ 79,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares Issued	10,114,311	10,104,311
Common stock, shares outstanding	10,114,311	10,104,311