CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $)
Mar. 31, 2015
Dec. 31, 2014
Allowance for doubtful accounts (in Dollars) $ 382,260 $ 342,084
Common stock: par value (in Dollars per share) $ 0.001 $ 0.001
Common stock: shares authorized 50,000,000 50,000,000
Common stock: shares issued 19,465,882 19,340,882
Common stock: shares outstanding 19,465,882 19,340,882