Concentration of Risk

12 Months Ended

Jun. 30, 2014

Concentration of Risk [Abstract]

Concentration of Risk

14. Concentration of Risk

Sales to unaffiliated customers outside the U.S. were $30,178,000, $24,474,000 and $30,093,000 for the years ended June 30, 2014, 2013 and 2012, respectively, which amounts represented 42%, 39% and 50% 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 $10,072,000, $9,573,000 and $8,060,000 for the years ended June 30, 2014, 2013 and 2012, respectively, which amounts represented 14%, 15% and 13%, 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,
	2014		2013		2012
Customer A		13%		12%	<10%
Customer B		13%		12%	<10%
Customer C	<10%		<10%			20%

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,
	2014		2013
Customer D		15%	<10%
Customer E		12%	<10%
Customer F		11%	<10%
Customer B	<10%			19%

There were no other customers representing 10% or more of our trade receivables at June 30, 2014 and 2013.

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,
	2014		2013		2012
Vendor A		23%		24%		28%
Vendor B		18%		16%	<10%
Vendor C		13%	<10%		<10%