Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 10,219	$ 17,853
Accounts receivable, net of allowance for doubtful accounts of $244 at September 30, 2015 and $217 at December 31, 2014	34,145	24,213
Inventories	40,197	37,803
Prepaid expenses and other	9,297	7,912
Total current assets	93,858	87,781
Property and equipment, net of accumulated depreciation of $64,395 at September 30, 2015 and $68,449 at December 31, 2014	3,869	5,279
Intangible assets, net of accumulated amortization of $15,704 at September 30, 2015 and $14,050 at December 31, 2014	18,945	1,493
Acquisition-related escrow	77,957	0
Goodwill	3,194	0
Other assets	201	467
Total assets	198,024	95,020
Current liabilities:
Accounts payable	28,057	34,540
Accrued expenses	24,483	23,844
Total current liabilities	52,540	58,384
Convertible senior notes, net	80,350	0
Revolving credit facility	0	5,158
Other long-term liabilities	15,851	932
Total liabilities	$ 148,741	$ 64,474
Commitments and Contingencies
Stockholders’ equity:
Preferred stock, par value $0.001; 2,000 shares authorized and none outstanding	$ 0	$ 0
Common stock, par value $0.001; 150,000 and 100,000 shares authorized at September 30, 2015 and December 31, 2014, respectively, 52,537 and 45,742 shares issued and outstanding at September 30, 2015 and December 31, 2014, respectively	53	46
Additional paid-in capital	498,288	466,665
Accumulated deficit	(449,058)	(411,165)
Total stockholders’ equity before treasury stock	49,283	55,546
Treasury stock at cost; 0 common shares at September 30, 2015 and 2,436 common shares at December 31, 2014	0	(25,000)
Total stockholders’ equity	49,283	30,546
Total liabilities and stockholders’ equity	$ 198,024	$ 95,020