Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Allowance for doubtful accounts (in Dollars)	$ 246,860	$ 239,274
Common Class A [Member]
Common stock par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in Shares)	10,000,000	20,000,000
Common stock, shares issued (in Shares)	2,870,948	13,221,404
Common stock, shares outstanding (in Shares)	2,870,948	13,221,404
Common Class B [Member]
Common stock par value (in Dollars per share)	$ 0.01
Common stock, shares authorized (in Shares)	250,000
Common stock, shares issued (in Shares)	232,780
Common stock, shares outstanding (in Shares)	232,780