Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 153,363	$ 191,471
Accounts receivable, net	26,191	18,398
Inventories	23,364	26,388
Restricted cash	0	63
Prepaid expenses and other current assets	5,617	4,344
Total current assets	208,535	240,664
Property, plant and equipment, net	50,204	52,547
Goodwill	83,864	80,730
Intangible assets, net	28,616	31,833
Deferred Tax Assets, Net, Noncurrent	4,746	0
Other non-current assets	532	731
Total assets	376,497	406,505
Current liabilities:
Accounts payable	11,296	8,675
Accrued payroll and related expenses	7,907	9,627
Current portion of lease obligation	624	585
Current portion of contingent consideration	630	1,286
Deferred grant revenue	0	3,658
Other current liabilities	4,891	6,999
Total current liabilities	25,348	30,830
Long-term debt	142,986	143,297
Lease obligation, net of current portion	3,560	4,032
Contingent consideration—non-current	4,445	4,230
Deferred tax liability—non-current	55	1,970
Income taxes payable	985	910
Deferred rent	2,054	2,296
Other non-current liabilities	317	264
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $.001 par value per share; 5,000 shares authorized; none issued or outstanding at September 30, 2016 and December 31, 2015	0	0
Common stock, $.001 par value per share; 97,500 shares authorized; 32,644 and 33,323 shares issued and outstanding at September 30, 2016 and December 31, 2015, respectively	33	33
Additional paid-in capital	199,049	209,121
Accumulated other comprehensive loss	(30)	(31)
(Accumulated deficit) retained earnings	(2,305)	9,553
Total stockholders’ equity	196,747	218,676
Total liabilities and stockholders’ equity	$ 376,497	$ 406,505