Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
CURRENT ASSETS
Allowance for doubtful accounts	$ 50,000	$ 60,000
SHAREHOLDERS' EQUITY
Common stock, no par value
Shares authorized	100,000,000	100,000,000
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	24,649,364	24,239,365
Common stock, shares outstanding	24,649,364	24,239,365
series or classes
SHAREHOLDERS' EQUITY
Shares authorized	60,000,000	60,000,000
junior Series A preferred shares
SHAREHOLDERS' EQUITY
Preferred stock, shares authorized	40,000	40,000