Note 3 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Inventory, Current [Table Text Block]

	March 31,		December 31,
	2013		2012
Finished goods	$	51,027	$	46,711
Raw materials		4,574		4,582
	$	55,601	$	51,293

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended
	March 31,
	2013		2012
Net income	$	12,740	$	14,570
Weighted average shares outstanding used in calculating basic earnings per share		14,647		15,189
Dilutive common share equivalents		111		189
Weighted average common and common share equivalents used in calculating diluted earnings per share		14,758		15,378
Income per common share:
Basic	$	0.87	$	0.96
Diluted	$	0.86	$	0.95
Options and restricted share units outstanding which are not included in the calculation of diluted earnings per share because their impact is anti-dilutive		7		--