Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash Flows from Operating Activities
Net income	$ 6,407,072	$ 5,925,981
Adjustments to reconcile net income to net cash:
Depreciation and amortization expense	1,118,955	774,710
Stock-based compensation	54,991	107,504
Reversal of provision of impairment on advance to suppliers	(14,472)	0
Changes in operating assets and liabilities:
Accounts receivable	(8,099,566)	(374,116)
Inventory	171,600	359,727
Prepaid expenses and other receivables	(1,901,956)	(671,508)
Accounts payable	704,495	162
Other payables and advance from customers	298,852	120,003
Income taxes payable	4,292	53,949
Net cash (used in) provided by operating activities	(1,255,737)	6,296,412
Cash Flows from Investing Activities
Addition in plant and equipment	(12,954)	(2,057,209)
Proceeds from disposal of investments		336,387
Net cash used in investing activities	(12,954)	(1,720,822)
Cash Flows from Financing Activities
Principal payments on capital lease	(2,861)	(2,525)
Net cash used in financing activities	(2,861)	(2,525)
Effect of exchange rate changes on cash and cash equivalents:	165,091	584,590
(Decrease) increase in cash and cash equivalents	(1,106,461)	5,157,655
Cash and cash equivalents, beginning of period	23,090,102	17,932,447
Cash and cash equivalents, end of period	21,983,641	23,090,102
Supplemental disclosure of cash flow information
Interest paid in cash	15,884	12,965
Income taxes paid in cash	1,336,617	1,223,177
Non-cash investing and financing activities:
Conversion of preferred stock to common stock	48
Issuance of restricted stocks to officer/director	$ 63	$ 30