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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Cash Flows from Operating Activities:    
Net income for the period $ (2,812,307) $ 2,806,359
Depreciation and amortization 350,468 365,223
Stock based compensation. 0 56,489
Bad debt expense. (119,930) 320,098
Deferred income taxes 31,761 (34,312)
Inventory obsolescence reserve 3,692,895 0
Changes in assets and liabilities:    
Trade accounts receivables. 589,186 (4,141,146)
Other receivables. (173,763) (20,247)
Changes in Advances to suppliers. (276,405) 944,949
Inventory. 1,890,843 (3,351,458)
Trade accounts payables. 122,430 2,725,945
Accrued expenses. (32,516) 11,517
Accrued taxes payables. (1,922,780) 443,684
Other payables. (11,715) 54,337
Advances from customers. (220,418) 219,942
Net Cash Provided by Operating Activities 1,107,749 401,380
Cash Flows from Investing Activities:    
Net investment in banker's acceptances 0 (281,674)
Advances for purchases of property and equipment and intangible assets (399,992) (790,092)
Purchase of property and equipment (4,373) (7,926)
Net Cash Used in Investing Activities (404,365) (1,079,692)
Net Cash Provided by Financing Activity 0 0
Effect of Exchange Rate Changes on Cash 17,376 (52,736)
Net Increase in Cash and Cash Equivalents 720,760 (731,048)
Cash and Cash Equivalents at Beginning of Period 4,029,708 4,050,854
Cash and Cash Equivalents at End of Period 4,750,468 3,319,806
Supplemental Cash Flow Information:    
Cash paid for interest 111,346 75,567
Cash paid for income taxes 1,593,510 274,587
Supplemental Noncash Investing and Financing Activities:    
Accounts payable for purchases of property and equipment 151,064 144,057
Accounts receivable collected with banker's acceptances 3,366,655 406,604
Inventory purchased with banker's acceptances $ 2,289,690 $ 406,604