Business Segment, Geographic and Major Customer Information (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Financial information regarding reportable segments

Summarized financial information of the reportable segments is as follows (in thousands):

As of and for the three months ended March 31,	Chemicals and Logistics		Drilling Products		Artificial Lift		Corporate and Other			Total
2013
Net revenue from external customers	$	44,650	$	28,914	$	4,679	$	—		$	78,243
Gross margin	19,113		11,346		2,171		—			32,630
Income (loss) from operations	14,324		5,419		1,613		(8,808		)	12,548
Depreciation and amortization	460		2,362		61		150			3,033
Total assets	59,301		120,015		12,280		26,887			218,483
Capital expenditures	1,025		861		997		1,500			4,383
2012
Net revenue from external customers	$	47,647	$	28,988	$	2,560	$	—		$	79,195
Gross margin	20,895		11,509		1,047		—			33,451
Income (loss) from operations	17,122		5,549		516		(6,439		)	16,748
Depreciation and amortization	404		2,158		44		42			2,648
Total assets	59,913		115,401		10,907		17,971			204,192
Capital expenditures	1,250		2,394		13		462			4,119

Revenue by geographic location

Revenue by geographic location is as follows (in thousands):

	Three months ended March 31,
	2013		2012
U.S.	$	66,023	$	67,971
Other countries	12,220		11,224
Total	$	78,243	$	79,195

Summary of revenue from major customers

Revenue from major customers, as a percentage of consolidated revenue, is as follows:

	Three months ended March 31,
	2013		2012
Customer A	17.5	%	15.8	%
Customer B	*		11.1	%
* This customer did not account for more than 10% of revenue.