Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 2,730	$ 2,700
Restricted cash	0	150
Accounts receivable, net of allowance for doubtful accounts of $872 and $714 at December 31, 2013 and 2012, respectively	65,016	42,259
Inventories, net	63,132	45,177
Deferred tax assets, net	2,522	1,274
Other current assets	4,261	4,654
Total current assets	137,661	96,214
Property and equipment, net	79,114	56,499
Goodwill	66,271	26,943
Deferred tax assets, net	15,012	16,045
Other intangible assets, net	77,523	24,166
TOTAL ASSETS	375,581	219,867
Current liabilities:
Accounts payable	19,899	22,373
Accrued liabilities	12,778	6,503
Income taxes payable	3,361	3,479
Interest payable	111	114
Convertible senior notes, net of discount	0	5,133
Current portion of long-term debt	26,415	4,329
Total current liabilities	62,564	41,931
Long-term debt, less current portion	35,690	22,455
Deferred tax liabilities, net	27,575	751
Total liabilities	125,829	65,137
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; 58,265,911 shares issued and 51,804,078 shares outstanding at December 31, 2013; 53,123,978 shares issued and 49,601,495 shares outstanding at December 31, 2012	6	5
Additional paid-in capital	266,122	195,485
Accumulated other comprehensive income (loss)	(359)	(40)
Accumulated deficit	(841)	(37,019)
Treasury stock, at cost; 5,394,178 and 2,198,193 shares at December 31, 2013 and 2012, respectively	(15,176)	(3,701)
Total stockholders’ equity	249,752	154,730
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 375,581	$ 219,867