SELECTED QUARTERLY INFORMATION (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

The following tables set forth certain data from the Company's consolidated statements of income for each of the quarters in the years ended December 31, 2014 and 2013.

The unaudited quarterly consolidated financial statements have been prepared on the same basis as the audited consolidated financial statements contained herein and include all adjustments that the Company considers necessary for a fair presentation of such information when read in conjunction with the Company's annual audited consolidated financial statements and notes thereto appearing elsewhere in this report. The operating results for any quarter are not necessarily indicative of the results for any subsequent period or for the entire fiscal year (in thousands, except per share data).

	Three Months Ended
	(unaudited)
	Dec. 31,		Sept. 30,		June 30,		Mar. 31,		Dec. 31,		Sept. 30,		June 30,		Mar. 31,
	2014		2014		2014		2014		2013		2013		2013		2013
Net revenues	$	86,595	$	90,144	$	88,985	$	83,073	$	90,412	$	91,715	$	87,922	$	77,040
Gross profit	$	45,805	$	49,052	$	48,736	$	45,977	$	48,391	$	48,774	$	46,207	$	39,864
Net income	$	14,354	$	16,111	$	16,716	$	12,363	$	16,037	$	16,654	$	13,672	$	10,903
Earnings per share
Basic	$	0.49	$	0.54	$	0.55	$	0.41	$	0.54	$	0.56	$	0.47	$	0.38
Diluted	$	0.48	$	0.52	$	0.54	$	0.40	$	0.52	$	0.54	$	0.45	$	0.37
Shares used in per share calculation
Basic	29,350		30,013		30,310		30,239		29,974		29,762		29,178		28,754
Diluted	30,051		30,757		31,110		31,167		30,924		30,652		30,158		29,783