Concentration Of Risk

12 Months Ended

Jun. 30, 2012

Concentration Of Risk [Abstract]

Concentration Of Risk

15. Concentration of Risk

     Intercompany transfers between geographic areas are accounted for at prices similar to those available to comparable unaffiliated customers. Sales to unaffiliated customers outside the United States were $30,093,000, $26,806,000 and $20,773,000 for the years ended June 30, 2012, 2011 and 2010, respectively, which amounts represented 50%, 40% and 34% of total sales for the respective fiscal years.

     Sales to the U.S. government, prime contractors and agencies of the U.S. government amounted to approximately $8,060,000, $11,878,000 and $13,639,000 for the years ended June 30, 2012, 2011 and 2010, respectively, which amounts represented 13%, 18% and 23%, respectively, of total sales for each of the fiscal years.

     In addition, the following summarizes revenues by significant customer where such revenue exceeded 10% of total revenues for any one of the indicated periods:

	Year ended June 30,
	2012		2011		2010
Customer A	20	%	11	%	<10	%
Customer B	<10	%	11	%	<10	%
Customer C	<10	%	<10	%	20	%
Customer D	<10	%	<10	%	11	%

     We assess credit risk through ongoing credit evaluations of customers' financial condition and collateral is generally not required.

     The following summarizes accounts receivable by significant customer where such account receivables exceeded 10% of total accounts receivables for any one of the indicated periods:

	Year ended June 30,
	2012		2011
Customer B	12	%	<10	%
Customer E	19	%	<10	%
Customer D	<10	%	13	%
Customer F	<10	%	12	%
Customer G	<10	%	12	%

     There were no other customers representing 10% or more of our trade receivables at June 30, 2012 and 2011.

     The following summarizes purchases from significant vendors where such purchases accounted for 10%, or more, of total purchases for any one of the indicated periods:

	Year Ended June 30,
	2012		2011		2010
Vendor A	28	%	<10	%	<10	%
Vendor B	<10	%	20	%	19	%
Vendor C	<10	%	21	%	20	%