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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Cash flows from operating activities      
Net income $ 2,003,326 $ 3,216,352 $ 3,125,551
Adjustments to reconcile net income to net cash (used in) provided by operating activities      
Stock-based compensation expense 239,871 314,479 144,453
Depreciation and amortization 619,890 552,086 450,518
Loss on disposal of equipment 473,709 0 0
Change in fair value of warrants liability 346,691 180,192 (221,640)
Change in deferred tax assets (2,698) 0 0
Provision (Recovery of) for doubtful accounts 44,041 (3,939) 749,280
Provision for doubtful accounts - other receivables 0 598,747 0
Provision for warranty reserve 0 0 37,303
Deferred tax benefit 0 0 (118,030)
Changes in assets and liabilities:      
(Increase) Decrease in accounts receivable (345,443) 344,341 (3,797,045)
Increase in prepayments and other current assets (3,844,093) (1,730,704) (1,413,176)
Decrease (Increase) in other receivables 562,140 (1,617,781) 642,287
(Increase) Decrease in inventories (120,996) 931,844 842,052
(Increase) Decrease in tax receivable (34,569) 563,816 2,630,467
Increase in accounts payable 47,315 4,271 3,607
Increase (Decrease) in advances from customers 60,758 (56,965) 33,811
Increase in accrued expenses and other current liabilities 75,072 52,482 14,470
Decrease in taxes payable (325,464) (1,644,345) (6,285,660)
Net cash (used in) provided by operating activities (200,450) 1,704,876 (3,161,752)
Cash flows from investing activities      
Capital expenditures and other additions (1,130,621) (11,054) (153,061)
Software Copyrights 0 (2,715,453) 0
Advances to related parties 0 0 (2,358)
Net cash used in investing activities (1,130,621) (2,726,507) (155,419)
Cash flows from financing activities      
Proceeds from bank loan 2,503,747 2,373,145 1,542,680
Repayment of bank loan (2,502,457) (1,580,436) (1,533,604)
Capital contributed by noncontrolling interest 329,576 0 0
Net cash provided by financing activities 330,866 792,709 9,076
Effect of exchange rate fluctuations on cash and cash equivalents 87,820 39,766 1,079,195
Net decrease in cash and cash equivalents (912,385) (189,156) (2,228,900)
Cash and cash equivalents at beginning of year 3,505,330 3,694,486 5,923,386
Cash and cash equivalents at end of year 2,592,945 3,505,330 3,694,486
Supplemental cash flow information      
Income tax paid 688,219 1,416,958 1,906,763
Interest paid 159,482 149,488 82,136
Uncollected option exercise proceeds recorded as other receivable $ 11,600 $ 0 $ 0