CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenue	$ 53,354	$ 42,899
Direct operating costs	22,621	21,084
Transportation costs	8,613	6,433
Gross profit	22,120	15,382
Selling, general and administrative expenses	6,636	5,726
Operating income	15,484	9,656
Other income (expense):
Interest income	44	5
Interest expense	(86)	(221)
Foreign currency gain (loss)	(940)	(938)
Other	86	97
Total other income (expense)	(896)	(1,057)
Income before income taxes	14,588	8,599
Income tax expense	5,227	3,193
Net income	$ 9,361	$ 5,406
Earnings per share:
Basic (in dollars per share)	$ 0.44	$ 0.30
Diluted (in dollars per share)	$ 0.43	$ 0.29
Shares used in earnings per share calculation:
Basic (in shares)	21,475	18,320
Diluted (in shares)	21,586	18,407
Dividends paid per share (in dollars per share)	$ 0.18