Note 13 - Related Party Transactions

12 Months Ended

Mar. 31, 2017

Notes to Financial Statements

Related Party Transactions Disclosure [Text Block]

13.

Related Party Transactions

We own

45%

of the outstanding equity of Powersem, a module manufacturer based in Germany. The investment is accounted for using the equity method. In fiscal

2017,

2016

and

2015,

we recorded revenues of

$1.6

million,

$1.5

million and

$1.8

million, respectively, from sales of products to Powersem for use as components in their products. In fiscal

2017,

2016

and

2015,

we purchased

$3.9

million,

$3.4

million and

$4.0

million, respectively, of products from Powersem. At

March 31, 2017

and

2016,

the accounts receivable balances from our sales to Powersem were

$96,000

and

$99,000,

respectively. The accounts payable balances to Powersem, as of

March 31, 2017

and

2016,

were

$72,000

and

$63,000,

respectively. The carrying values at

March 31, 2017

and

March 31, 2016

were

$2.5

million.

We own approximately

20%

of the outstanding equity of EB Tech Ltd., a company with expertise in radiation technology based in South Korea. The investment is accounted for using the equity method. In fiscal

2017,

2016

and

2015,

EB Tech rendered processing services totaling approximately

$347,000,

$378,000

and

$278,000,

respectively, to our company. As of

March 31, 2017

and

2016,

our accounts payable balances to EB Tech were

$35,000

and

$26,000,

respectively.

The carrying values at

March 31, 2017

and at

March 31, 2016

were

$2.6

million and

$2.7

million, respectively.

On

December 12, 2014,

we acquired approximately

24%

of the outstanding common shares of ATEC, a supplier located in the Philippines that provides assembly and test services. The investment is accounted for by the equity method. In fiscal

2017

and

2016,

ATEC rendered assembly and test services totaling approximately

$7.8

million and

$8.0

million t

o our company, respectively. As of

March 31, 2017

and

2016,

the accounts payable balances to ATEC were

$996,000

and

$737,000,

respectively

. The carrying values at

March 31, 2017

and at

March 31, 2016

were

$6.5

million and

$5.7

million, respectively.

We had

no

other material related party transactions with companies in which we invested and which were accounted for by the equity method during fiscal

2017.