Segment Reporting (Information on Reportable Segments) (Detail) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	$ 3,619,415	$ 15,849,971
Cost of revenues	2,294,112	10,277,356
Operating expenses	2,675,603	4,755,556
(Loss) income from operations	(1,350,300)	817,059
Depreciation expense	452,941	371,392
Zhengzhou Annec Industrial Co [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	3,619,415	15,849,971
Cost of revenues	2,294,112	10,277,356
Operating expenses	2,560,633	4,629,645
Depreciation expense	404,819	333,042
Beijing Annec [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenues	0	0
Cost of revenues	0	0
Operating expenses	114,970	125,910
Depreciation expense	$ 48,122	$ 38,350