Condensed Consolidated Statements of Income (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Net sales	$ 112,038,616	$ 101,311,096
Cost of sales	92,983,490	83,215,616
Gross profit	19,055,126	18,095,480
Operating expenses:
Selling expenses	15,130,888	12,537,203
General and administrative expenses	2,375,774	2,203,617
Total operating expenses	17,506,662	14,740,820
Income from operations	1,548,464	3,354,660
Non-operating income (expense):
Interest income	26,528	289,622
Interest expense	(293,909)	(31,100)
Total non-operating income (loss)	(267,381)	258,522
Income before income taxes	1,281,083	3,613,182
Income taxes	450,482	1,026,054
Net income	830,601	2,587,128
Comprehensive income statement:
Net income	830,601	2,587,128
Foreign currency translation adjustment	862,477	577,630
Comprehensive income	$ 1,693,078	$ 3,164,758
Basic earnings per share of common stock	$ 0.02	$ 0.07
Diluted earnings per share	$ 0.02	$ 0.07
Weighted average shares used in calculating net income per ordinary share - basic	31,344,590	29,768,444
Weighted average shares used in calculating net income per ordinary share - diluted	37,039,139	37,039,139