Amount for accounts payable to related parties.

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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+ Details

- Definition

This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.

+ References+ Details

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References+ Details

- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Principles Board Opinion (APB)

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+ Details

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References+ Details

Note 12 Related Party Transactions (Narratives) (Details) (USD $)	12 Months Ended
	Mar. 31, 2013 Powersem GmbH [Member]	Mar. 31, 2012 Powersem GmbH [Member]	Mar. 31, 2011 Powersem GmbH [Member]	Mar. 31, 2013 EB Tech Ltd [Member]	Mar. 31, 2012 EB Tech Ltd [Member]	Mar. 31, 2011 EB Tech Ltd [Member]	Mar. 31, 2011 Zencell Co. Ltd [Member]	Mar. 31, 2010 Zencell Co. Ltd [Member]	Mar. 31, 2013 Zencell Co. Ltd [Member]
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage	45.00%			20.00%					35.00%
Related Party Transaction, Revenue from Related Parties	$ 1,300,000	$ 2,700,000	$ 2,500,000
Related Party Transaction, Expenses from Transactions with Related Party	2,900,000	5,500,000	4,900,000	33,000	56,000
Accounts Receivable, Related Parties	121,000	161,000	253,000
Accounts Payable, Related Parties	59,000	296,000	210,000	0
Income (Loss) from Equity Method Investments	107,000	461,000	526,000	124,000	190,000	205,000	(102,000)	(46,000)
Equity Method Investment, Other than Temporary Impairment							$ (502,000)