Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets

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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Assets    
Cash and cash equivalents $ 53,337 $ 51,262
Restricted cash 48 46
Accounts receivable, net of allowance for doubtful accounts of $101 and $83 21,702 16,227
Inventories 14,199 12,829
Income taxes receivable   120
Deferred income taxes 260 260
Marketable securities 26,083 21,832
Other current assets 2,000 1,354
Total current assets 117,629 103,930
Property, plant and equipment, net 57,367 56,959
Other assets 6,491 6,639
Total assets 181,487 167,528
Liabilities and shareholders' equity    
Accounts payable 5,635 4,402
Accrued expenses and other liabilities 4,414 7,466
Income taxes payable 3,964  
Dividends payable 2,331 2,318
Total current liabilities 16,344 14,186
Deferred income taxes 6,920 6,917
Other noncurrent liabilities 1,233 1,149
Total liabilities 24,497 22,252
Commitments and contingencies      
Shareholders' equity:    
Preferred stock, 2,000,000 shares authorized, par value $0.001, no shares outstanding      
Common stock, 40,000,000 shares authorized, par value $0.001, 25,903,344 and 25,756,442 shares outstanding 26 26
Capital in excess of par value 53,480 48,944
Retained earnings 103,599 98,426
Accumulated other comprehensive income (115) (2,120)
Total shareholders' equity 156,990 145,276
Total liabilities and shareholders' equity $ 181,487 $ 167,528