Organization and Summary of Significant Accounting Policies (Details 1) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash balances by geographic area
Total cash and cash equivalents	$ 1,445,728	$ 1,152,607	$ 947,177
Total cash and cash equivalents, Percentage	100.00%	100.00%
United States [Member]
Cash balances by geographic area
Total cash and cash equivalents	31,054	288,090
Total cash and cash equivalents, Percentage	2.10%	25.00%
China [Member]
Cash balances by geographic area
Total cash and cash equivalents	$ 1,414,674	$ 864,517
Total cash and cash equivalents, Percentage	97.90%	75.00%