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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Cash flows from operating activities  
Net income$ 3,334,138$ 3,081,758
Adjustments to reconcile net income to net cash used in operating activities  
Stock-based compensation expense59,3000
Depreciation and amortization333,580261,438
Change in fair value of warrants liability(177,358)114,806
Recovery of doubtful accounts0(30,336)
Recovery of inventory obsolescence0(5,756)
Provision for warranty reserve03,689
Changes in assets and liabilities:  
Increase in accounts receivable(5,920,452)(2,153,214)
Increase in prepayments and other current assets(3,071,808)(4,433,546)
Increase in other receivables(541,386)(1,608,240)
Increase in inventories(62,401)(1,969,143)
Increase in tax receivable(1,270,399)(1,088,309)
Increase (Decrease) in accounts payable9,432(56,675)
Increase in advances from customers196,659262,372
Increase (Decrease) in accrued expenses and other current liabilities26,900(80,286)
Increase in tax payable3,028,9442,005,420
Net cash used in operating activities(4,054,851)(5,696,022)
Cash flows from investing activities  
Capital expenditures and other additions(95,742)(839,456)
Advances to related parties(2,358)(3,861)
Net cash used in investing activities(98,100)(843,317)
Cash flows from financing activities  
Proceeds from bank loan1,542,6800
Repayment of bank loan(1,533,604)0
Net proceeds from issuance of common shares09,944,207
Net cash provided by financing activities9,0769,944,207
Effect of exchange rate fluctuations on cash and cash equivalents821,396407,861
Net (decrease) increase in cash and cash equivalents(3,322,479)3,812,729
Cash and cash equivalents at beginning of period5,923,3861,151,721
Cash and cash equivalents at end of period2,600,9074,964,450
Supplemental cash flow information  
Income tax paid13,34417,197
Interest paid53,91548,255
Non-Cash transaction of investing and financing activities  
Issuance of common shares for investment relations activities$ 59,300$ 0