Consolidated Balance Sheets (Parentheticals) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Current assets:  
Allowance for doubtful accounts$ 3,290,776$ 2,786,776
Customer relationships and other intangible assets, accumulated amortization$ 5,913,656$ 4,098,246
Stockholders' equity:  
Common stock, par value$ 0.0001$ 0.0001
Common stock, shares authorized100,000,000100,000,000
Common stock, shares issued22,154,15722,043,850
Common stock, shares outstanding22,154,15722,043,850