Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 197,494	$ 169,508
Accounts receivable, net	20,943	24,990
Inventories	22,470	26,045
Prepaid expenses and other current assets	4,038	4,851
Total current assets	244,945	225,394
Property, plant and equipment, net	49,880	50,858
Goodwill	83,837	83,834
Intangible assets, net	25,270	27,639
Other non-current assets	565	525
Total assets	404,497	388,250
Current liabilities:
Accounts payable	10,433	16,047
Accrued payroll and related expenses	7,259	9,642
Current portion of lease obligation	106	98
Current portion of contingent consideration	2,365	2,826
Other current liabilities	8,967	4,999
Total current liabilities	29,130	33,612
Long-term debt	145,705	144,340
Lease obligation, net of current portion	3,950	3,979
Contingent consideration—non-current	2,324	2,349
Deferred tax liability—non-current	59	58
Income taxes payable	1,045	1,045
Deferred rent	1,879	1,965
Other non-current liabilities	287	272
Commitments and contingencies (see Note 9)
Stockholders’ equity:
Preferred stock, $.001 par value per share; 5,000 shares authorized; none issued or outstanding at March 31, 2017 and December 31, 2016	0	0
Common stock, $.001 par value per share; 97,500 shares authorized; 33,188 and 32,897 shares issued and outstanding at March 31, 2017 and December 31, 2016, respectively	33	33
Additional paid-in capital	210,094	204,905
Accumulated other comprehensive loss	(44)	(53)
Retained earnings (accumulated deficit)	10,035	(4,255)
Total stockholders’ equity	220,118	200,630
Total liabilities and stockholders’ equity	$ 404,497	$ 388,250