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Note 13 Related Party Transactions	12 Months Ended
Mar. 31, 2014
Related Party Transactions [Abstract]
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 2014, 2013 and 2012, we recorded revenues of $2.1 million, $1.3 million and $2.7 million, respectively, from sales of products to Powersem for use as components in our products. In fiscal 2014, 2013 and 2012, we purchased $5.2 million, $2.9 million and $5.5 million, respectively, of products from Powersem. In fiscal 2014, we recorded approximately $43,000 in dividend income from Powersem. At March 31, 2014, 2013 and 2012, the accounts receivable balances from our sales to Powersem were $74,000, $121,000 and $161,000, respectively. The accounts payable balances to Powersem, as of March 31, 2014, 2013 and 2012, were $137,000, $59,000 and $296,000, respectively. We own 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 2014 and 2013, EB Tech rendered processing services totaling approximately $211,000 and $121,000, respectively, to our company. As of March 31, 2014 and 2013, no accounts payable balance was due to EB Tech. 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 2014.

Note 13 Related Party Transactions

12 Months Ended

Mar. 31, 2014

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 2014, 2013 and 2012, we recorded revenues of $2.1 million, $1.3 million and $2.7 million, respectively, from sales of products to Powersem for use as components in our products. In fiscal 2014, 2013 and 2012, we purchased $5.2 million, $2.9 million and $5.5 million, respectively, of products from Powersem. In fiscal 2014, we recorded approximately $43,000 in dividend income from Powersem. At March 31, 2014, 2013 and 2012, the accounts receivable balances from our sales to Powersem were $74,000, $121,000 and $161,000, respectively. The accounts payable balances to Powersem, as of March 31, 2014, 2013 and 2012, were $137,000, $59,000 and $296,000, respectively.

We own 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 2014 and 2013, EB Tech rendered processing services totaling approximately $211,000 and $121,000, respectively, to our company. As of March 31, 2014 and 2013, no accounts payable balance was due to EB Tech.

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 2014.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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