CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue	$ 45,739	$ 39,670	$ 118,732	$ 113,350
Direct operating costs	19,893	18,810	56,164	54,825
Transportation costs	7,257	5,571	14,577	20,689
Gross profit	18,589	15,289	47,991	37,836
Selling, general and administrative expenses	6,196	5,722	18,167	15,874
Operating income	12,393	9,567	29,824	21,962
Other income (expense):
Interest income	4	6	13	21
Interest expense	(231)	(395)	(659)	(1,277)
Foreign currency gain (loss)	1,605	(3,661)	1,775	(2,193)
Other	70	73	672	245
Total other income (expense)	1,448	(3,977)	1,801	(3,204)
Income before income taxes	13,841	5,590	31,625	18,758
Income tax expense	5,179	1,864	12,078	7,087
Net income	$ 8,662	$ 3,726	$ 19,547	$ 11,671
Earnings per share:
Basic (in dollars per share)	$ 0.48	$ 0.20	$ 1.07	$ 0.64
Diluted (in dollars per share)	$ 0.47	$ 0.20	$ 1.07	$ 0.64
Shares used in earnings per share calculation:
Basic (in shares)	18,236	18,202	18,228	18,194
Diluted (in shares)	18,270	18,227	18,262	18,219
Dividends paid per share (in dollars per share)	$ 0.18	$ 0.18	$ 0.54	$ 0.54