CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Cash Flows from Operating Activities:    
Net income. $ 5,861,760 $ 15,147,575
Depreciation and amortization 1,096,641 1,081,890
Stock based compensation 141,721 139,074
Bad debt expense (benefit). 724,745 (185,463)
Deferred income taxes (67,603) 67,789
Derivative gain. 0 (934,260)
Changes in assets and liabilities:    
Trade accounts receivable (2,443,587) (9,507,941)
Other receivables (73,579) 3,204
Advances to suppliers. 1,385,889 228,319
Inventory. (5,911,799) (274,331)
Trade accounts payable. 1,661,109 (1,933,820)
Accrued expenses. 80,653 309,977
Accrued taxes payable. (83,191) 812,897
Other payables. 30,203 45,162
Advances from customers. 566,972 410,195
Net Cash Provided by Operating Activities 2,969,934 5,410,267
Cash Flows from Investing Activities:    
Net investment in banker's acceptances 0 (130,135)
Advances for purchases of property and equipment. (1,020,731) 0
Advances for purchases of intangible assets. (1,272,956) (4,334,490)
Purchase of property and equipment (81,352) (280,645)
Net Cash Used in Investing Activities (2,375,039) (4,745,270)
Cash Flows from Financing Activity:    
Proceeds from related party loan 393,004 347,919
Net Cash Provided by Financing Activity 393,004 347,919
Effect of Exchange Rate Changes on Cash 23,013 147,738
Net Increase in Cash and Cash Equivalents 1,010,912 1,160,654
Cash and Cash Equivalents at Beginning of Period 4,050,854 3,692,086
Cash and Cash Equivalents at End of Period 5,061,766 4,852,740
Supplemental Cash Flow Information:    
Cash paid for interest 228,874 179,467
Cash paid for income taxes 1,343,957 1,554,339
Supplemental Noncash Investing and Financing Activities:    
Accounts payable for purchases of property and equipment 144,153 145,777
Accounts receivable collected with banker's acceptances 2,026,928 5,161,084
Advances to suppliers paid with banker's acceptances 402,338 0
Inventory purchased with banker's acceptances $ 1,248,820 $ 5,161,084