CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)	Dec. 31, 2013	Dec. 31, 2012
Valuation allowance for other receivables (in dollars)	$ 5,485	$ 7,506
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common Class A [Member]
Common Stock, Shares Authorized	700,000	700,000
Common stock, shares issued	442,533	471,633
Treasury stock, shares	0	29,100
Common Class B [Member]
Common Stock, Shares Authorized	999,300,000	999,300,000
Common stock, shares issued	3,231,147	3,756,842
Treasury stock, shares	0	529,695