Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 128,189	$ 170,262
Restricted cash	430	430
Accounts receivable, net	19,025	16,128
Inventories, net	19,439	20,042
Prepaid inventories, net	1,202	1,311
Deferred tax assets, net	17,609	26,305
Prepaids and other current assets	10,982	13,890
Total current assets	196,876	248,368
Fixed assets, net	106,869	93,696
Precious metals	9,722	9,722
Deferred tax assets, net	39,618	37,891
Intangible assets, net	13,783	14,656
Goodwill	14,335	15,387
Other long-term assets, net	10,855	8,669
Total assets	392,058	428,389
Current liabilities:
Accounts payable	79,127	122,705
Accrued liabilities	69,762	83,387
Deferred revenue	42,812	50,944
Other Long-term Debt, Current	1,710	1,059
Other current liabilities, net	995	581
Total current liabilities	194,406	258,676
Long-term Debt, Net	19,703	8,843
Other Long-term Debt, Noncurrent	6,930	4,535
Other long-term liabilities	8,924	6,974
Total liabilities	$ 229,963	$ 279,028
Commitments and contingencies (Note 5)
Stockholders’ equity:
Preferred stock, $0.0001 par value: Authorized shares - 5,000; Issued and outstanding shares - none	$ 0	$ 0
Common stock, $0.0001 par value: Authorized shares - 100,000; Issued shares - 27,722 and 27,634; Outstanding shares - 25,294 and 25,234	3	3
Additional paid-in capital	371,015	370,047
Accumulated deficit	(152,991)	(166,420)
Accumulated other comprehensive loss	(2,450)	(1,430)
Treasury stock: Shares at cost - 2,428 and 2,400	(52,055)	(51,747)
Total equity	163,522	150,453
Equity attributable to noncontrolling interests	(1,427)	(1,092)
Total equity	162,095	149,361
Total liabilities and stockholders’ equity	$ 392,058	$ 428,389