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Consolidated Balance Sheets (Current Period Unaudited) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Assets    
Cash and cash equivalents $ 84,552 $ 86,463
Accounts receivable, net of allowances of $0 and $0 at June 30, 2014 and December 31, 2013, respectively 21,031 28,620
Accounts receivable – related parties 2,691 4,629
Inventory 67,341 42,164
Income tax receivable 15,761 14,732
Prepaid expenses 1,005 1,843
Marketable securities 95,308 104,271
Other current assets 1,708 566
Total current assets 289,397 283,288
Property, plant and equipment, net 129,608 128,671
Other assets 2,598 2,488
Total noncurrent assets 132,206 131,159
Total Assets 421,603 414,447
Liabilities and Stockholders’ Equity    
Accounts payable 12,025 14,927
Accounts payable – related parties 6,818 857
Current deferred income tax liability 9,255 8,787
Deferred revenue – short-term 7,306 6,869
Contingent liability – short-term 1,151 1,151
Accrued expenses and other current liabilities 7,600 7,802
Accrued expenses and other current liabilities – related parties 63 3
Total current liabilities 44,218 40,396
Deferred revenue – long-term 14,519 13,522
Other noncurrent liabilities 2,703 2,690
Noncurrent deferred income tax liability 28,400 29,249
Total noncurrent liabilities 45,622 45,461
Total liabilities 89,840 85,857
Commitments and contingencies      
Preferred stock, $0.0001 par value, 5,000,000 shares authorized, none issued and outstanding 0 0
Common stock, $0.0001 par value, 75,000,000 shares authorized, 43,606,118 and 43,342,830 issued and outstanding as of June 30, 2014 and December 31, 2013, respectively 4 4
Accumulated other comprehensive income 9,183 7,436
Additional paid in capital 276,567 276,328
Retained earnings 46,009 44,822
Total stockholders’ equity 331,763 328,590
Total Liabilities and Stockholders’ Equity $ 421,603 $ 414,447