Unaudited Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 4,369	$ 2,700
Restricted cash	0	150
Accounts receivable, net of allowance for doubtful accounts of $767 and $714 at September 30, 2013 and December 31, 2012, respectively	62,244	42,259
Inventories, net	70,857	45,177
Deferred tax assets, net	1,591	1,274
Other current assets	4,953	4,654
Total current assets	144,014	96,214
Property and equipment, net	77,269	56,499
Goodwill	66,271	26,943
Deferred tax assets, net	14,763	16,045
Other intangible assets, net	78,662	24,166
TOTAL ASSETS	380,979	219,867
Current liabilities:
Accounts payable	23,884	22,373
Accrued liabilities	13,613	6,503
Income taxes payable	3,379	3,479
Interest payable	132	114
Convertible senior notes, net of discount	0	5,133
Current portion of long-term debt	35,529	4,329
Total current liabilities	76,537	41,931
Long-term debt, less current portion	41,110	22,455
Deferred tax liabilities, net	25,491	751
Total liabilities	143,138	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; 58,158,051 shares issued and 51,614,119 shares outstanding at September 30, 2013; 53,123,978 shares issued and 49,601,495 shares outstanding at December 31, 2012	6	5
Additional paid-in capital	261,887	195,485
Accumulated other comprehensive income (loss)	(201)	(40)
Accumulated deficit	(11,846)	(37,019)
Treasury stock, at cost; 5,198,003 and 2,198,193 shares at September 30, 2013 and December 31, 2012, respectively	(12,005)	(3,701)
Total stockholders’ equity	237,841	154,730
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 380,979	$ 219,867