CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 87,040	$ 87,191
Accounts receivable, net	13,159	14,028
Inventories	10,091	8,985
Prepaid expenses and other receivables	7,450	6,597
Total current assets	117,740	116,801
Property, plant and equipment, net	11,125	8,706
Debt issuance costs, net	3,830	4,027
Intangible assets, net	54,916	54,320
Goodwill	459	426
Other	474	482
Total assets	188,544	184,762
Current liabilities:
Accounts payable	4,437	3,955
Accrued expenses	8,163	6,267
Deferred income, current	324	476
Capital lease obligation, current	40	70
Total current liabilities	12,964	10,768
Convertible 3.75% senior notes, net of debt discount (face of $143,750)	108,800	106,991
Deferred tax liability	261	244
Total liabilities	122,025	118,003
Stockholders’ equity:
Common stock, $0.01 par value, 60,000,000 shares authorized; 53,059,273 and 53,000,689 shares issued and outstanding as of March 31, 2016 and December 31, 2015, respectively	550	549
Additional paid-in capital	100,011	99,258
Accumulated deficit	(33,868)	(32,918)
Accumulated other comprehensive loss, net of taxes	(174)	(130)
Total stockholders' equity	66,519	66,759
Total liabilities and stockholders' equity	$ 188,544	$ 184,762