Note 17 Commitments and Contingencies	6 Months Ended
Sep. 30, 2013
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Text Block]	17. Commitments and Contingencies Legal Proceedings We are currently involved in a variety of legal matters that arise in the normal course of business. Based on information currently available, management does not believe that the ultimate resolution of these matters will have a material adverse effect on our financial condition, results of operations and cash flows. Were an unfavorable ruling to occur, there exists the possibility of a material adverse impact on the results of operations of the period in which the ruling occurs. Bank of the West On November 13, 2009, we entered into a credit agreement with BOTW. On December 29, 2010, we entered into an amendment with BOTW to increase the line of credit to $20.0 million and to extend the expiration date to October 31, 2013. On October 29, 2013, we entered into an amendment with BOTW to extend the expiration date to November 30, 2013. The credit agreement includes a letter of credit subfacility, under which BOTW agrees to issue letters of credit of up to $3.0 million. However, borrowing under this subfacility is limited to the extent of availability under the $20.0 million revolving line of credit. At September 30, 2013, the outstanding principal balance under the credit agreement was $15.0 million. See Note 9, “Borrowing Arrangements” for further information regarding the terms of the credit agreement. Acquired MCU Business Deferred Payments We are obligated to pay $30.0 million in two installment payments of $15.0 million each. The first installment is due on June 27, 2014 and the second installment is due on December 31, 2014. See Note 3, “Business Combination” for further information regarding the acquisition. Other Commitments and Contingencies On occasion, we provide limited indemnification to customers against intellectual property infringement claims related to our products. To date, we have not experienced significant activity or claims related to such indemnifications. We also provide in the normal course of business indemnification to our officers, directors and selected parties. We are unable to estimate any potential future liability, if any. Therefore, no liability for these indemnification agreements has been recorded as of September 30, 2013 and March 31, 2013.

Note 17 Commitments and Contingencies

6 Months Ended

Sep. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

17. Commitments and Contingencies

Legal Proceedings

We are currently involved in a variety of legal matters that arise in the normal course of business. Based on information currently available, management does not believe that the ultimate resolution of these matters will have a material adverse effect on our financial condition, results of operations and cash flows. Were an unfavorable ruling to occur, there exists the possibility of a material adverse impact on the results of operations of the period in which the ruling occurs.

Bank of the West

On November 13, 2009, we entered into a credit agreement with BOTW. On December 29, 2010, we entered into an amendment with BOTW to increase the line of credit to $20.0 million and to extend the expiration date to October 31, 2013. On October 29, 2013, we entered into an amendment with BOTW to extend the expiration date to November 30, 2013.

The credit agreement includes a letter of credit subfacility, under which BOTW agrees to issue letters of credit of up to $3.0 million. However, borrowing under this subfacility is limited to the extent of availability under the $20.0 million revolving line of credit. At September 30, 2013, the outstanding principal balance under the credit agreement was $15.0 million. See Note 9, “Borrowing Arrangements” for further information regarding the terms of the credit agreement.

Acquired MCU Business Deferred Payments

We are obligated to pay $30.0 million in two installment payments of $15.0 million each. The first installment is due on June 27, 2014 and the second installment is due on December 31, 2014. See Note 3, “Business Combination” for further information regarding the acquisition.

Other Commitments and Contingencies

On occasion, we provide limited indemnification to customers against intellectual property infringement claims related to our products. To date, we have not experienced significant activity or claims related to such indemnifications. We also provide in the normal course of business indemnification to our officers, directors and selected parties. We are unable to estimate any potential future liability, if any. Therefore, no liability for these indemnification agreements has been recorded as of September 30, 2013 and March 31, 2013.

- Definition

The entire disclosure for commitments and contingencies.

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