CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 112,994	$ 117,066
Restricted cash	9,261	0
Accounts receivable, net of allowance for doubtful accounts of $141 and $153, respectively	94,534	85,197
Accounts receivable – related party	0	425
Inventory	26,407	22,779
Derivative assets	0	162
Income tax receivable	2,569	2,404
Prepayments and other current assets	1,559	1,557
Total current assets	247,324	229,590
Property and equipment, net	69,046	44,623
Operating lease right-of-use assets, net	9,576
Intangible assets, net	1,597	0
Cash deposits and other assets	3,299	4,657
Total assets	330,842	278,870
Current liabilities:
Accounts payable	147,851	116,068
Accounts payable – related party	5	29
Derivative liabilities	0	139
Current portion of finance lease obligations	2,167	883
Operating lease liabilities	2,252
Other current liabilities	7,302	6,148
Total current liabilities	159,577	123,267
Other long-term liabilities:
Asset retirement obligations	1,573	1,525
Total long-term lease obligation	4,376	3,209
Operating lease liabilities	7,323
Deferred taxes and other liabilities	6,352	4,271
Total liabilities	179,201	132,272
Commitments and contingencies (Note 17)
Shareholders’ equity:
Preferred stock – $1.00 par value, 960,000 shares authorized, none outstanding	0	0
Common stock – $0.10 par value, 7,500,000 shares authorized, 4,235,533 and 4,217,596 shares outstanding, respectively	423	422
Contributed capital	12,778	11,948
Retained earnings	138,440	134,228
Total shareholders’ equity	151,641	146,598
Total liabilities and shareholders’ equity	$ 330,842	$ 278,870