Segment Reporting

9 Months Ended

Apr. 30, 2012

Segment Reporting [Abstract]

Segment Reporting

12. Segment Reporting

Segment information as of April 30, 2012 approximates the following:

Geographic information:

	Revenue (1)
	Three months ended		Nine months ended		Gross Long- Lived Assets
United States	$	21,945,000	$	74,891,000	$	26,975,000
Foreign countries		14,066,000		43,605,000		5,236,000

(1)  Revenue is attributed to countries based on the location of the customers.  Revenues in the most significant foreign countries for the three and nine months ended April 30, 2012 include $4.0 million and $14.1 million in Peru, $4.4 million and $11.3 million in Brazil and $3.2 million and $7.9 million in Chile, respectively.

Segment information as of April 30, 2011 approximates the following:

Geographic information:

	Revenue (1)
	Three months ended		Nine months ended		Gross Long- Lived Assets
United States	$	29,149,000	$	82,928,000	$	26,542,000
Foreign countries		11,971,000		42,084,000		4,829,000

 (1)  Revenue is attributed to countries based on the location of the customers.  Revenues in the most significant foreign countries for the three and nine months ended April 30, 2011 include $2.7 million and $13.2 million in Peru, $2.9 million and $8.8 million in Brazil and $2.3 million and $7.7 million in Kuwait, respectively.

As of July 31, 2011, the gross long-lived assets reported were approximately $27.9 million in the United States and $5.1 million in foreign countries.