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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Cash flows from operating activities:    
Net income $ 8,881 $ 8,723
Depreciation and amortization 1,808 1,733
Deferred income taxes 187 142
Other, net 357 259
Change in assets and liabilities:    
Accounts receivable, net (2,770) (3,324)
Inventories, net (839) (1,300)
Accounts payable and accrued liabilities (1,929) (898)
Accounts with affiliates 93 667
Prepaids and other, net 140 84
Net cash provided by operating activities 5,928 6,086
Cash flows from investing activities:    
Capital expenditures (1,811) (1,366)
Proceeds from sale of fixed assets 128  
Note receivable from affiliate:    
Collections 22,100 25,900
Advances (28,100) (25,300)
Net cash used in investing activities (7,683) (766)
Cash flows from financing activities -    
Dividends paid (1,742) (1,243)
Cash and cash equivalents - net change from:    
Operating, investing and financing activities (3,497) 4,077
Balance at beginning of period 45,414 29,655
Balance at end of period 41,917 33,732
Supplemental disclosures -    
Cash paid for income taxes $ 2,955 $ 2,036