Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
CURRENT ASSETS
Allowance for doubtful accounts	$ 58,000	$ 60,000
SHAREHOLDERS' EQUITY
Common stock, no par value	$ 0	$ 0
Shares authorized	100,000,000	100,000,000
Common stock, shares authorized	40,000,000	0
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