Long term investment - Summary of financial information of Anteya Technology Corp - Statement of operation (Details 2) (Anteya Technology Corp, USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Anteya Technology Corp
Income Statement [Abstract]
Net sale	$ 2,916,794	$ 4,820,371
Cost of goods sold	(2,519,478)	(3,795,011)
Gross profit	397,316	1,025,360
Operating and non-operating expenses	(1,203,821)	(1,225,526)
Net profit (loss)	$ (806,505)	$ (200,166)