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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Cash flows from operating activities:      
Net income $ 9,118 $ 8,661 $ 6,015
Depreciation and amortization 3,536 3,533 3,270
Deferred income taxes 125 468 916
Provision for inventory reserves 233 24 228
Other, net 125 133 21
Change in assets and liabilities:      
Accounts receivable, net (46) (251) (12)
Inventories, net 1,532 (3,652) (2,240)
Accounts payable and accrued liabilities (1,036) 3,119 (1,245)
Accounts with affiliates 37 93 (11,857)
Other, net (148) 42 774
Net cash provided by (used in) operating activities 13,476 12,170 (4,130)
Cash flows from investing activities:      
Capital expenditures (4,218) (2,825) (3,501)
Cash collected on promissory notes receivable     3,034
Proceeds from sale of assets held for sale     1,559
Other, net   (48) (97)
Net cash provided by (used in) investing activities (4,218) (2,873) 995
Cash flows from financing activities:      
Repayment of long-term debt     (18,480)
Dividends paid (2,481) (2,480) (3,409)
Net cash used in financing activities (2,481) (2,480) (21,889)
Net increase (decrease) 6,777 6,817 (25,024)
Cash and cash equivalents - Net increase (decrease) from:      
Operating, investing and financing activities 6,777 6,817 (25,024)
Balance at beginning of year 45,570 38,753 63,777
Balance at end of year 52,347 45,570 38,753
Supplemental disclosures - cash paid for:      
Income taxes $ 4,743 $ 4,449 14,167
Interest     $ 222