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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Cash flows from operating activities:    
Net income $ 6,454 $ 4,638
Depreciation and amortization 1,828 1,850
Deferred income taxes 71 (26)
Other, net 189 291
Change in assets and liabilities:    
Accounts receivable, net (1,823) (3,634)
Inventories, net (417) 851
Accounts payable and accrued liabilities (1,676) (1,639)
Accounts with affiliates (327) 164
Prepaids and other, net 32 (626)
Net cash provided by operating activities 4,331 1,869
Cash flows from investing activities:    
Capital expenditures (1,599) (1,674)
Note receivable from affiliate:    
Collections 27,200  
Advances (39,300)  
Net cash used in investing activities (13,699) (1,674)
Cash flows from financing activities -    
Dividends paid (1,242) (1,242)
Cash and cash equivalents - net change from:    
Operating, investing and financing activities (10,610) (1,047)
Balance at beginning of period 33,153 52,347
Balance at end of period 22,543 51,300
Supplemental disclosures -    
Cash paid for income taxes $ 3,747 $ 2,367