Organization and Summary of Significant Accounting Policies (Details 1) (USD $)	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2011
Cash balances by geographic area
Total cash and cash equivalents	$ 3,254,981	$ 1,445,728	$ 1,307,312	$ 1,152,607
Total cash and cash equivalents, Percentage	100.00%	100.00%
United States [Member]
Cash balances by geographic area
Total cash and cash equivalents	929,743	31,054
Total cash and cash equivalents, Percentage	28.60%	2.10%
China [Member]
Cash balances by geographic area
Total cash and cash equivalents	$ 2,325,238	$ 1,414,674
Total cash and cash equivalents, Percentage	71.40%	97.90%