Consolidated Balance Sheets (Parentheticals) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Trade receivables allowance for doubtful accounts (in Dollars)	$ 1,454,741	$ 810,864
Notes receivable allowance for doubtful accounts (in Dollars)	$ 3,350,056	$ 3,350,056
Common Stock, Par Value (in Dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Issued	19,784,291	19,714,291
Common Stock, Shares Outstanding	19,784,291	19,714,291
Ordinary shares, shares authorized	50,000,000	50,000,000
Redeemable Common Stock [Member]
Common Stock, Par Value (in Dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Issued		1,312,500
Common Stock, Shares Outstanding		1,312,500