Unaudited Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 1,664	$ 2,730
Accounts receivable, net of allowance for doubtful accounts of $916 and $872 at March 31, 2014 and December 31, 2013, respectively	65,882	65,016
Inventories, net	72,009	63,132
Deferred tax assets, net	2,500	2,522
Other current assets	3,679	4,261
Total current assets	145,734	137,661
Property and equipment, net	81,677	79,114
Goodwill	71,583	66,271
Deferred tax assets, net	15,100	15,012
Other intangible assets, net	76,422	77,523
TOTAL ASSETS	390,516	375,581
Current liabilities:
Accounts payable	26,356	19,899
Accrued liabilities	9,574	12,778
Income taxes payable	6,384	3,361
Interest payable	99	111
Current portion of long-term debt	24,068	26,415
Total current liabilities	66,481	62,564
Long-term debt, less current portion	30,905	35,690
Deferred tax liabilities, net	27,351	27,575
Total liabilities	124,737	125,829
Commitments and contingencies
Stockholders’ equity:
Cumulative convertible preferred stock, $0.0001 par value, 100,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value, 80,000,000 shares authorized; 60,230,719 shares issued and 53,719,558 shares outstanding at March 31, 2014; 58,265,911 shares issued and 51,804,078 shares outstanding at December 31, 2013	6	6
Additional paid-in capital	275,330	266,122
Accumulated other comprehensive income (loss)	(508)	(359)
Retained earnings (accumulated deficit)	11,177	(841)
Treasury stock, at cost; 5,589,167 and 5,394,178 shares at March 31, 2014 and December 31, 2013, respectively	(20,226)	(15,176)
Total stockholders’ equity	265,779	249,752
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 390,516	$ 375,581