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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Cash flows from operating activities:    
Net income $ 2,140 $ 895
Depreciation and amortization 879 835
Deferred income taxes (78) 90
Other, net 85 68
Change in assets and liabilities:    
Accounts receivable, net (4,194) (1,047)
Inventories, net (1,970) (734)
Accounts payable and accrued liabilities (207) (3,100)
Accounts with affiliates 882 (11,791)
Income taxes 8 (2)
Other, net 117 146
Net cash used in operating activities (2,338) (14,640)
Cash flows from investing activities:    
Capital expenditures (747) (663)
Cash collected on note receivable   1,828
Proceeds from sale of assets held for sale   1,559
Proceeds from sale of fixed assets   2
Net cash provided by (used in) investing activities (747) 2,726
Cash flows from financing activities:    
Dividends paid (619) (1,549)
Repayment of long-term debt   (250)
Other, net      
Net cash used in financing activities (619) (1,799)
Cash and cash equivalents - net change from:    
Operating, investing and financing activities (3,704) (13,713)
Balance at beginning of year 38,753 63,777
Balance at end of year 35,049 50,064
Supplemental disclosures - cash paid for:    
Interest   95
Income taxes 341 12,199
Noncash investing and financing activities:    
Accrual for capital expenditures $ (12) $ (233)